18425238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4457}}^1$

素因数の和:4528

約数の個数: 32

約数和(自身を含む): 40442976

約数和(自身を除く): 22017738

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4457, 8914, 13371, 26742, 57941, 115882, 173823, 236221, 347646, 472442, 708663, 1417326, 3070873, 6141746, 9212619, 18425238]

約数ペア:

[(1, 18425238), (2, 9212619), (3, 6141746), (6, 3070873), (13, 1417326), (26, 708663), (39, 472442), (53, 347646), (78, 236221), (106, 173823), (159, 115882), (318, 57941), (689, 26742), (1378, 13371), (2067, 8914), (4134, 4457)]