18201280

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2513

約数の個数: 56

約数和(自身を含む): 45244512

約数和(自身を除く): 27043232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2473, 3680, 4946, 7360, 9892, 12365, 19784, 24730, 39568, 49460, 56879, 79136, 98920, 113758, 158272, 197840, 227516, 284395, 395680, 455032, 568790, 791360, 910064, 1137580, 1820128, 2275160, 3640256, 4550320, 9100640, 18201280]

約数ペア:

[(1, 18201280), (2, 9100640), (4, 4550320), (5, 3640256), (8, 2275160), (10, 1820128), (16, 1137580), (20, 910064), (23, 791360), (32, 568790), (40, 455032), (46, 395680), (64, 284395), (80, 227516), (92, 197840), (115, 158272), (160, 113758), (184, 98920), (230, 79136), (320, 56879), (368, 49460), (460, 39568), (736, 24730), (920, 19784), (1472, 12365), (1840, 9892), (2473, 7360), (3680, 4946)]