19455480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3$

素因数の和:79

約数の個数: 192

約数和(自身を含む): 73288800

約数和(自身を除く): 53833320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 289, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 578, 612, 660, 680, 748, 765, 792, 867, 935, 990, 1020, 1122, 1156, 1224, 1320, 1445, 1496, 1530, 1683, 1734, 1870, 1980, 2040, 2244, 2312, 2601, 2805, 2890, 3060, 3179, 3366, 3468, 3740, 3960, 4335, 4488, 4913, 5202, 5610, 5780, 6120, 6358, 6732, 6936, 7480, 8415, 8670, 9537, 9826, 10404, 11220, 11560, 12716, 13005, 13464, 14739, 15895, 16830, 17340, 19074, 19652, 20808, 22440, 24565, 25432, 26010, 28611, 29478, 31790, 33660, 34680, 38148, 39304, 44217, 47685, 49130, 52020, 54043, 57222, 58956, 63580, 67320, 73695, 76296, 88434, 95370, 98260, 104040, 108086, 114444, 117912, 127160, 143055, 147390, 162129, 176868, 190740, 196520, 216172, 221085, 228888, 270215, 286110, 294780, 324258, 353736, 381480, 432344, 442170, 486387, 540430, 572220, 589560, 648516, 810645, 884340, 972774, 1080860, 1144440, 1297032, 1621290, 1768680, 1945548, 2161720, 2431935, 3242580, 3891096, 4863870, 6485160, 9727740, 19455480]

約数ペア:

[(1, 19455480), (2, 9727740), (3, 6485160), (4, 4863870), (5, 3891096), (6, 3242580), (8, 2431935), (9, 2161720), (10, 1945548), (11, 1768680), (12, 1621290), (15, 1297032), (17, 1144440), (18, 1080860), (20, 972774), (22, 884340), (24, 810645), (30, 648516), (33, 589560), (34, 572220), (36, 540430), (40, 486387), (44, 442170), (45, 432344), (51, 381480), (55, 353736), (60, 324258), (66, 294780), (68, 286110), (72, 270215), (85, 228888), (88, 221085), (90, 216172), (99, 196520), (102, 190740), (110, 176868), (120, 162129), (132, 147390), (136, 143055), (153, 127160), (165, 117912), (170, 114444), (180, 108086), (187, 104040), (198, 98260), (204, 95370), (220, 88434), (255, 76296), (264, 73695), (289, 67320), (306, 63580), (330, 58956), (340, 57222), (360, 54043), (374, 52020), (396, 49130), (408, 47685), (440, 44217), (495, 39304), (510, 38148), (561, 34680), (578, 33660), (612, 31790), (660, 29478), (680, 28611), (748, 26010), (765, 25432), (792, 24565), (867, 22440), (935, 20808), (990, 19652), (1020, 19074), (1122, 17340), (1156, 16830), (1224, 15895), (1320, 14739), (1445, 13464), (1496, 13005), (1530, 12716), (1683, 11560), (1734, 11220), (1870, 10404), (1980, 9826), (2040, 9537), (2244, 8670), (2312, 8415), (2601, 7480), (2805, 6936), (2890, 6732), (3060, 6358), (3179, 6120), (3366, 5780), (3468, 5610), (3740, 5202), (3960, 4913), (4335, 4488)]