15545420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3719}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 21952180

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, 3719, 4180, 7438, 14876, 18595, 37190, 40909, 70661, 74380, 81818, 141322, 163636, 204545, 282644, 353305, 409090, 706610, 777271, 818180, 1413220, 1554542, 3109084, 3886355, 7772710, 15545420]

約数ペア:

[(1, 15545420), (2, 7772710), (4, 3886355), (5, 3109084), (10, 1554542), (11, 1413220), (19, 818180), (20, 777271), (22, 706610), (38, 409090), (44, 353305), (55, 282644), (76, 204545), (95, 163636), (110, 141322), (190, 81818), (209, 74380), (220, 70661), (380, 40909), (418, 37190), (836, 18595), (1045, 14876), (2090, 7438), (3719, 4180)]