18931488704

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{203023}}^1$

素因数の和:203113

約数の個数: 56

約数和(自身を含む): 39604297728

約数和(自身を除く): 20672809024

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 248, 376, 496, 752, 992, 1457, 1504, 1984, 2914, 3008, 5828, 11656, 23312, 46624, 93248, 203023, 406046, 812092, 1624184, 3248368, 6293713, 6496736, 9542081, 12587426, 12993472, 19084162, 25174852, 38168324, 50349704, 76336648, 100699408, 152673296, 201398816, 295804511, 305346592, 402797632, 591609022, 610693184, 1183218044, 2366436088, 4732872176, 9465744352, 18931488704]

約数ペア:

[(1, 18931488704), (2, 9465744352), (4, 4732872176), (8, 2366436088), (16, 1183218044), (31, 610693184), (32, 591609022), (47, 402797632), (62, 305346592), (64, 295804511), (94, 201398816), (124, 152673296), (188, 100699408), (248, 76336648), (376, 50349704), (496, 38168324), (752, 25174852), (992, 19084162), (1457, 12993472), (1504, 12587426), (1984, 9542081), (2914, 6496736), (3008, 6293713), (5828, 3248368), (11656, 1624184), (23312, 812092), (46624, 406046), (93248, 203023)]