17974840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2659}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 43810200

約数和(自身を除く): 25835360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2659, 3380, 5318, 6760, 10636, 13295, 21272, 26590, 34567, 53180, 69134, 106360, 138268, 172835, 276536, 345670, 449371, 691340, 898742, 1382680, 1797484, 2246855, 3594968, 4493710, 8987420, 17974840]

約数ペア:

[(1, 17974840), (2, 8987420), (4, 4493710), (5, 3594968), (8, 2246855), (10, 1797484), (13, 1382680), (20, 898742), (26, 691340), (40, 449371), (52, 345670), (65, 276536), (104, 172835), (130, 138268), (169, 106360), (260, 69134), (338, 53180), (520, 34567), (676, 26590), (845, 21272), (1352, 13295), (1690, 10636), (2659, 6760), (3380, 5318)]