19291250783

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1\times {\mathrm{383}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 22500605952

約数和(自身を除く): 3209355169

約数列:

[1, 7, 101, 191, 373, 383, 707, 1337, 2611, 2681, 19291, 37673, 38683, 71243, 73153, 135037, 142859, 263711, 270781, 498701, 512071, 1000013, 7195543, 7388453, 14428759, 27286069, 50368801, 51719171, 101001313, 191002483, 2755892969, 19291250783]

約数ペア:

[(1, 19291250783), (7, 2755892969), (101, 191002483), (191, 101001313), (373, 51719171), (383, 50368801), (707, 27286069), (1337, 14428759), (2611, 7388453), (2681, 7195543), (19291, 1000013), (37673, 512071), (38683, 498701), (71243, 270781), (73153, 263711), (135037, 142859)]