19554390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{217271}}^1$

素因数の和:217284

約数の個数: 24

約数和(自身を含む): 50841648

約数和(自身を除く): 31287258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 217271, 434542, 651813, 1086355, 1303626, 1955439, 2172710, 3259065, 3910878, 6518130, 9777195, 19554390]

約数ペア:

[(1, 19554390), (2, 9777195), (3, 6518130), (5, 3910878), (6, 3259065), (9, 2172710), (10, 1955439), (15, 1303626), (18, 1086355), (30, 651813), (45, 434542), (90, 217271)]