19965829

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 23142912

約数和(自身を除く): 3177083

約数列:

[1, 13, 31, 37, 103, 169, 403, 481, 1147, 1339, 3193, 3811, 5239, 6253, 14911, 17407, 41509, 49543, 118141, 193843, 539617, 644059, 1535833, 19965829]

約数ペア:

[(1, 19965829), (13, 1535833), (31, 644059), (37, 539617), (103, 193843), (169, 118141), (403, 49543), (481, 41509), (1147, 17407), (1339, 14911), (3193, 6253), (3811, 5239)]