19407240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 68290560

約数和(自身を除く): 48883320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 47, 60, 62, 72, 74, 90, 93, 94, 111, 120, 124, 141, 148, 155, 180, 185, 186, 188, 222, 235, 248, 279, 282, 296, 310, 333, 360, 370, 372, 376, 423, 444, 465, 470, 555, 558, 564, 620, 666, 705, 740, 744, 846, 888, 930, 940, 1110, 1116, 1128, 1147, 1240, 1332, 1395, 1410, 1457, 1480, 1665, 1692, 1739, 1860, 1880, 2115, 2220, 2232, 2294, 2664, 2790, 2820, 2914, 3330, 3384, 3441, 3478, 3720, 4230, 4371, 4440, 4588, 5217, 5580, 5640, 5735, 5828, 6660, 6882, 6956, 7285, 8460, 8695, 8742, 9176, 10323, 10434, 11160, 11470, 11656, 13113, 13320, 13764, 13912, 14570, 15651, 16920, 17205, 17390, 17484, 20646, 20868, 21855, 22940, 26085, 26226, 27528, 29140, 31302, 34410, 34780, 34968, 41292, 41736, 43710, 45880, 51615, 52170, 52452, 53909, 58280, 62604, 65565, 68820, 69560, 78255, 82584, 87420, 103230, 104340, 104904, 107818, 125208, 131130, 137640, 156510, 161727, 174840, 206460, 208680, 215636, 262260, 269545, 313020, 323454, 412920, 431272, 485181, 524520, 539090, 626040, 646908, 808635, 970362, 1078180, 1293816, 1617270, 1940724, 2156360, 2425905, 3234540, 3881448, 4851810, 6469080, 9703620, 19407240]

約数ペア:

[(1, 19407240), (2, 9703620), (3, 6469080), (4, 4851810), (5, 3881448), (6, 3234540), (8, 2425905), (9, 2156360), (10, 1940724), (12, 1617270), (15, 1293816), (18, 1078180), (20, 970362), (24, 808635), (30, 646908), (31, 626040), (36, 539090), (37, 524520), (40, 485181), (45, 431272), (47, 412920), (60, 323454), (62, 313020), (72, 269545), (74, 262260), (90, 215636), (93, 208680), (94, 206460), (111, 174840), (120, 161727), (124, 156510), (141, 137640), (148, 131130), (155, 125208), (180, 107818), (185, 104904), (186, 104340), (188, 103230), (222, 87420), (235, 82584), (248, 78255), (279, 69560), (282, 68820), (296, 65565), (310, 62604), (333, 58280), (360, 53909), (370, 52452), (372, 52170), (376, 51615), (423, 45880), (444, 43710), (465, 41736), (470, 41292), (555, 34968), (558, 34780), (564, 34410), (620, 31302), (666, 29140), (705, 27528), (740, 26226), (744, 26085), (846, 22940), (888, 21855), (930, 20868), (940, 20646), (1110, 17484), (1116, 17390), (1128, 17205), (1147, 16920), (1240, 15651), (1332, 14570), (1395, 13912), (1410, 13764), (1457, 13320), (1480, 13113), (1665, 11656), (1692, 11470), (1739, 11160), (1860, 10434), (1880, 10323), (2115, 9176), (2220, 8742), (2232, 8695), (2294, 8460), (2664, 7285), (2790, 6956), (2820, 6882), (2914, 6660), (3330, 5828), (3384, 5735), (3441, 5640), (3478, 5580), (3720, 5217), (4230, 4588), (4371, 4440)]