18138688

素因数分解:

$2^6\times {\mathrm{29}}^2\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 42

約数和(自身を含む): 37388546

約数和(自身を除く): 19249858

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 337, 464, 674, 841, 928, 1348, 1682, 1856, 2696, 3364, 5392, 6728, 9773, 10784, 13456, 19546, 21568, 26912, 39092, 53824, 78184, 156368, 283417, 312736, 566834, 625472, 1133668, 2267336, 4534672, 9069344, 18138688]

約数ペア:

[(1, 18138688), (2, 9069344), (4, 4534672), (8, 2267336), (16, 1133668), (29, 625472), (32, 566834), (58, 312736), (64, 283417), (116, 156368), (232, 78184), (337, 53824), (464, 39092), (674, 26912), (841, 21568), (928, 19546), (1348, 13456), (1682, 10784), (1856, 9773), (2696, 6728), (3364, 5392)]