19975992

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 53395200

約数和(自身を除く): 33419208

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 142, 152, 213, 228, 284, 426, 456, 568, 617, 852, 1234, 1349, 1704, 1851, 2468, 2698, 3702, 4047, 4936, 5396, 7404, 8094, 10792, 11723, 14808, 16188, 23446, 32376, 35169, 43807, 46892, 70338, 87614, 93784, 131421, 140676, 175228, 262842, 281352, 350456, 525684, 832333, 1051368, 1664666, 2496999, 3329332, 4993998, 6658664, 9987996, 19975992]

約数ペア:

[(1, 19975992), (2, 9987996), (3, 6658664), (4, 4993998), (6, 3329332), (8, 2496999), (12, 1664666), (19, 1051368), (24, 832333), (38, 525684), (57, 350456), (71, 281352), (76, 262842), (114, 175228), (142, 140676), (152, 131421), (213, 93784), (228, 87614), (284, 70338), (426, 46892), (456, 43807), (568, 35169), (617, 32376), (852, 23446), (1234, 16188), (1349, 14808), (1704, 11723), (1851, 10792), (2468, 8094), (2698, 7404), (3702, 5396), (4047, 4936)]