18793112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1319}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 19460488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1319, 1781, 2638, 3562, 5276, 7124, 10552, 14248, 17147, 34294, 68588, 137176, 180703, 361406, 722812, 1445624, 2349139, 4698278, 9396556, 18793112]

約数ペア:

[(1, 18793112), (2, 9396556), (4, 4698278), (8, 2349139), (13, 1445624), (26, 722812), (52, 361406), (104, 180703), (137, 137176), (274, 68588), (548, 34294), (1096, 17147), (1319, 14248), (1781, 10552), (2638, 7124), (3562, 5276)]