18505592

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 22966408

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 79, 89, 94, 158, 178, 188, 316, 329, 356, 376, 553, 623, 632, 658, 712, 1106, 1246, 1316, 2212, 2492, 2632, 3713, 4183, 4424, 4984, 7031, 7426, 8366, 14062, 14852, 16732, 25991, 28124, 29281, 29704, 33464, 49217, 51982, 56248, 58562, 98434, 103964, 117124, 196868, 207928, 234248, 330457, 393736, 660914, 1321828, 2313199, 2643656, 4626398, 9252796, 18505592]

約数ペア:

[(1, 18505592), (2, 9252796), (4, 4626398), (7, 2643656), (8, 2313199), (14, 1321828), (28, 660914), (47, 393736), (56, 330457), (79, 234248), (89, 207928), (94, 196868), (158, 117124), (178, 103964), (188, 98434), (316, 58562), (329, 56248), (356, 51982), (376, 49217), (553, 33464), (623, 29704), (632, 29281), (658, 28124), (712, 25991), (1106, 16732), (1246, 14852), (1316, 14062), (2212, 8366), (2492, 7426), (2632, 7031), (3713, 4984), (4183, 4424)]