13388540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 32296320

約数和(自身を除く): 18907780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3203, 4180, 6406, 12812, 16015, 32030, 35233, 60857, 64060, 70466, 121714, 140932, 176165, 243428, 304285, 352330, 608570, 669427, 704660, 1217140, 1338854, 2677708, 3347135, 6694270, 13388540]

約数ペア:

[(1, 13388540), (2, 6694270), (4, 3347135), (5, 2677708), (10, 1338854), (11, 1217140), (19, 704660), (20, 669427), (22, 608570), (38, 352330), (44, 304285), (55, 243428), (76, 176165), (95, 140932), (110, 121714), (190, 70466), (209, 64060), (220, 60857), (380, 35233), (418, 32030), (836, 16015), (1045, 12812), (2090, 6406), (3203, 4180)]