18055960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2671}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 44007840

約数和(自身を除く): 25951880

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, 2671, 3380, 5342, 6760, 10684, 13355, 21368, 26710, 34723, 53420, 69446, 106840, 138892, 173615, 277784, 347230, 451399, 694460, 902798, 1388920, 1805596, 2256995, 3611192, 4513990, 9027980, 18055960]

約数ペア:

[(1, 18055960), (2, 9027980), (4, 4513990), (5, 3611192), (8, 2256995), (10, 1805596), (13, 1388920), (20, 902798), (26, 694460), (40, 451399), (52, 347230), (65, 277784), (104, 173615), (130, 138892), (169, 106840), (260, 69446), (338, 53420), (520, 34723), (676, 26710), (845, 21368), (1352, 13355), (1690, 10684), (2671, 6760), (3380, 5342)]