18419461970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{1289}}^1$

素因数の和:1740

約数の個数: 128

約数和(自身を含む): 41943121920

約数和(自身を除く): 23523659950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 383, 410, 455, 533, 574, 766, 910, 1066, 1289, 1435, 1915, 2578, 2665, 2681, 2870, 3731, 3830, 4979, 5330, 5362, 6445, 7462, 9023, 9958, 12890, 13405, 15703, 16757, 18046, 18655, 24895, 26810, 31406, 33514, 34853, 37310, 45115, 49790, 52849, 69706, 78515, 83785, 90230, 105698, 109921, 117299, 157030, 167570, 174265, 204139, 219842, 234598, 264245, 348530, 369943, 408278, 493687, 528490, 549605, 586495, 687037, 739886, 987374, 1020695, 1099210, 1172990, 1374074, 1428973, 1849715, 2041390, 2468435, 2857946, 3435185, 3455809, 3699430, 4809259, 4936870, 6417931, 6870370, 6911618, 7144865, 9618518, 12835862, 14289730, 17279045, 20241167, 24046295, 32089655, 34558090, 40482334, 44925517, 48092590, 64179310, 89851034, 101205835, 141688169, 202411670, 224627585, 263135171, 283376338, 449255170, 526270342, 708440845, 1315675855, 1416881690, 1841946197, 2631351710, 3683892394, 9209730985, 18419461970]

約数ペア:

[(1, 18419461970), (2, 9209730985), (5, 3683892394), (7, 2631351710), (10, 1841946197), (13, 1416881690), (14, 1315675855), (26, 708440845), (35, 526270342), (41, 449255170), (65, 283376338), (70, 263135171), (82, 224627585), (91, 202411670), (130, 141688169), (182, 101205835), (205, 89851034), (287, 64179310), (383, 48092590), (410, 44925517), (455, 40482334), (533, 34558090), (574, 32089655), (766, 24046295), (910, 20241167), (1066, 17279045), (1289, 14289730), (1435, 12835862), (1915, 9618518), (2578, 7144865), (2665, 6911618), (2681, 6870370), (2870, 6417931), (3731, 4936870), (3830, 4809259), (4979, 3699430), (5330, 3455809), (5362, 3435185), (6445, 2857946), (7462, 2468435), (9023, 2041390), (9958, 1849715), (12890, 1428973), (13405, 1374074), (15703, 1172990), (16757, 1099210), (18046, 1020695), (18655, 987374), (24895, 739886), (26810, 687037), (31406, 586495), (33514, 549605), (34853, 528490), (37310, 493687), (45115, 408278), (49790, 369943), (52849, 348530), (69706, 264245), (78515, 234598), (83785, 219842), (90230, 204139), (105698, 174265), (109921, 167570), (117299, 157030)]