19151028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 52672256

約数和(自身を除く): 33521228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 271, 302, 453, 468, 542, 604, 813, 906, 1084, 1359, 1626, 1812, 1963, 2439, 2718, 3252, 3523, 3926, 4878, 5436, 5889, 7046, 7852, 9756, 10569, 11778, 14092, 17667, 21138, 23556, 31707, 35334, 40921, 42276, 63414, 70668, 81842, 122763, 126828, 163684, 245526, 368289, 491052, 531973, 736578, 1063946, 1473156, 1595919, 2127892, 3191838, 4787757, 6383676, 9575514, 19151028]

約数ペア:

[(1, 19151028), (2, 9575514), (3, 6383676), (4, 4787757), (6, 3191838), (9, 2127892), (12, 1595919), (13, 1473156), (18, 1063946), (26, 736578), (36, 531973), (39, 491052), (52, 368289), (78, 245526), (117, 163684), (151, 126828), (156, 122763), (234, 81842), (271, 70668), (302, 63414), (453, 42276), (468, 40921), (542, 35334), (604, 31707), (813, 23556), (906, 21138), (1084, 17667), (1359, 14092), (1626, 11778), (1812, 10569), (1963, 9756), (2439, 7852), (2718, 7046), (3252, 5889), (3523, 5436), (3926, 4878)]