19739901

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 28026432

約数和(自身を除く): 8286531

約数列:

[1, 3, 31, 41, 93, 123, 167, 501, 961, 1271, 2883, 3813, 5177, 6847, 15531, 20541, 39401, 118203, 160487, 212257, 481461, 636771, 6579967, 19739901]

約数ペア:

[(1, 19739901), (3, 6579967), (31, 636771), (41, 481461), (93, 212257), (123, 160487), (167, 118203), (501, 39401), (961, 20541), (1271, 15531), (2883, 6847), (3813, 5177)]