19538370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 34375230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 47, 62, 90, 93, 94, 141, 149, 155, 186, 235, 279, 282, 298, 310, 423, 447, 465, 470, 558, 705, 745, 846, 894, 930, 1341, 1395, 1410, 1457, 1490, 2115, 2235, 2682, 2790, 2914, 4230, 4371, 4470, 4619, 6705, 7003, 7285, 8742, 9238, 13113, 13410, 13857, 14006, 14570, 21009, 21855, 23095, 26226, 27714, 35015, 41571, 42018, 43710, 46190, 63027, 65565, 69285, 70030, 83142, 105045, 126054, 131130, 138570, 207855, 210090, 217093, 315135, 415710, 434186, 630270, 651279, 1085465, 1302558, 1953837, 2170930, 3256395, 3907674, 6512790, 9769185, 19538370]

約数ペア:

[(1, 19538370), (2, 9769185), (3, 6512790), (5, 3907674), (6, 3256395), (9, 2170930), (10, 1953837), (15, 1302558), (18, 1085465), (30, 651279), (31, 630270), (45, 434186), (47, 415710), (62, 315135), (90, 217093), (93, 210090), (94, 207855), (141, 138570), (149, 131130), (155, 126054), (186, 105045), (235, 83142), (279, 70030), (282, 69285), (298, 65565), (310, 63027), (423, 46190), (447, 43710), (465, 42018), (470, 41571), (558, 35015), (705, 27714), (745, 26226), (846, 23095), (894, 21855), (930, 21009), (1341, 14570), (1395, 14006), (1410, 13857), (1457, 13410), (1490, 13113), (2115, 9238), (2235, 8742), (2682, 7285), (2790, 7003), (2914, 6705), (4230, 4619), (4371, 4470)]