19872332

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15689908

約数列:

[1, 2, 4, 71, 142, 167, 284, 334, 419, 668, 838, 1676, 11857, 23714, 29749, 47428, 59498, 69973, 118996, 139946, 279892, 4968083, 9936166, 19872332]

約数ペア:

[(1, 19872332), (2, 9936166), (4, 4968083), (71, 279892), (142, 139946), (167, 118996), (284, 69973), (334, 59498), (419, 47428), (668, 29749), (838, 23714), (1676, 11857)]