19812592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65173}}^1$

素因数の和:65200

約数の個数: 20

約数和(自身を含む): 40407880

約数和(自身を除く): 20595288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65173, 130346, 260692, 521384, 1042768, 1238287, 2476574, 4953148, 9906296, 19812592]

約数ペア:

[(1, 19812592), (2, 9906296), (4, 4953148), (8, 2476574), (16, 1238287), (19, 1042768), (38, 521384), (76, 260692), (152, 130346), (304, 65173)]