19179225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 37914240

約数和(自身を除く): 18735015

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 79, 83, 117, 195, 225, 237, 249, 325, 395, 415, 585, 711, 747, 975, 1027, 1079, 1185, 1245, 1975, 2075, 2925, 3081, 3237, 3555, 3735, 5135, 5395, 5925, 6225, 6557, 9243, 9711, 15405, 16185, 17775, 18675, 19671, 25675, 26975, 32785, 46215, 48555, 59013, 77025, 80925, 85241, 98355, 163925, 231075, 242775, 255723, 295065, 426205, 491775, 767169, 1278615, 1475325, 2131025, 3835845, 6393075, 19179225]

約数ペア:

[(1, 19179225), (3, 6393075), (5, 3835845), (9, 2131025), (13, 1475325), (15, 1278615), (25, 767169), (39, 491775), (45, 426205), (65, 295065), (75, 255723), (79, 242775), (83, 231075), (117, 163925), (195, 98355), (225, 85241), (237, 80925), (249, 77025), (325, 59013), (395, 48555), (415, 46215), (585, 32785), (711, 26975), (747, 25675), (975, 19671), (1027, 18675), (1079, 17775), (1185, 16185), (1245, 15405), (1975, 9711), (2075, 9243), (2925, 6557), (3081, 6225), (3237, 5925), (3555, 5395), (3735, 5135)]