18270512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5205

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 22101904

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5167, 10334, 20668, 41336, 67171, 82672, 87839, 134342, 175678, 268684, 351356, 537368, 702712, 1074736, 1141907, 1405424, 2283814, 4567628, 9135256, 18270512]

約数ペア:

[(1, 18270512), (2, 9135256), (4, 4567628), (8, 2283814), (13, 1405424), (16, 1141907), (17, 1074736), (26, 702712), (34, 537368), (52, 351356), (68, 268684), (104, 175678), (136, 134342), (208, 87839), (221, 82672), (272, 67171), (442, 41336), (884, 20668), (1768, 10334), (3536, 5167)]