19454127

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 33685632

約数和(自身を除く): 14231505

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 227, 231, 371, 539, 583, 681, 1113, 1589, 1617, 1749, 2497, 2597, 4081, 4767, 7491, 7791, 11123, 12031, 12243, 17479, 28567, 33369, 36093, 52437, 84217, 85701, 122353, 132341, 252651, 367059, 397023, 589519, 926387, 1768557, 2779161, 6484709, 19454127]

約数ペア:

[(1, 19454127), (3, 6484709), (7, 2779161), (11, 1768557), (21, 926387), (33, 589519), (49, 397023), (53, 367059), (77, 252651), (147, 132341), (159, 122353), (227, 85701), (231, 84217), (371, 52437), (539, 36093), (583, 33369), (681, 28567), (1113, 17479), (1589, 12243), (1617, 12031), (1749, 11123), (2497, 7791), (2597, 7491), (4081, 4767)]