18984660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13757}}^1$

素因数の和:13792

約数の個数: 48

約数和(自身を含む): 55472256

約数和(自身を除く): 36487596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13757, 27514, 41271, 55028, 68785, 82542, 137570, 165084, 206355, 275140, 316411, 412710, 632822, 825420, 949233, 1265644, 1582055, 1898466, 3164110, 3796932, 4746165, 6328220, 9492330, 18984660]

約数ペア:

[(1, 18984660), (2, 9492330), (3, 6328220), (4, 4746165), (5, 3796932), (6, 3164110), (10, 1898466), (12, 1582055), (15, 1265644), (20, 949233), (23, 825420), (30, 632822), (46, 412710), (60, 316411), (69, 275140), (92, 206355), (115, 165084), (138, 137570), (230, 82542), (276, 68785), (345, 55028), (460, 41271), (690, 27514), (1380, 13757)]