18579392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 56

約数和(自身を含む): 40239696

約数和(自身を除く): 21660304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 137, 163, 208, 274, 326, 416, 548, 652, 832, 1096, 1304, 1781, 2119, 2192, 2608, 3562, 4238, 4384, 5216, 7124, 8476, 8768, 10432, 14248, 16952, 22331, 28496, 33904, 44662, 56992, 67808, 89324, 113984, 135616, 178648, 290303, 357296, 580606, 714592, 1161212, 1429184, 2322424, 4644848, 9289696, 18579392]

約数ペア:

[(1, 18579392), (2, 9289696), (4, 4644848), (8, 2322424), (13, 1429184), (16, 1161212), (26, 714592), (32, 580606), (52, 357296), (64, 290303), (104, 178648), (137, 135616), (163, 113984), (208, 89324), (274, 67808), (326, 56992), (416, 44662), (548, 33904), (652, 28496), (832, 22331), (1096, 16952), (1304, 14248), (1781, 10432), (2119, 8768), (2192, 8476), (2608, 7124), (3562, 5216), (4238, 4384)]