18845779905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{43457}}^1$

素因数の和:43910

約数の個数: 48

約数和(自身を含む): 34168417920

約数和(自身を除く): 15322638015

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 419, 1035, 1257, 2095, 3771, 6285, 9637, 18855, 28911, 43457, 48185, 86733, 130371, 144555, 217285, 391113, 433665, 651855, 999511, 1955565, 2998533, 4997555, 8995599, 14992665, 18208483, 44977995, 54625449, 91042415, 163876347, 273127245, 418795109, 819381735, 1256385327, 2093975545, 3769155981, 6281926635, 18845779905]

約数ペア:

[(1, 18845779905), (3, 6281926635), (5, 3769155981), (9, 2093975545), (15, 1256385327), (23, 819381735), (45, 418795109), (69, 273127245), (115, 163876347), (207, 91042415), (345, 54625449), (419, 44977995), (1035, 18208483), (1257, 14992665), (2095, 8995599), (3771, 4997555), (6285, 2998533), (9637, 1955565), (18855, 999511), (28911, 651855), (43457, 433665), (48185, 391113), (86733, 217285), (130371, 144555)]