19005113100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{997}}^1\times {\mathrm{63541}}^1$

素因数の和:64555

約数の個数: 72

約数和(自身を含む): 55044147088

約数和(自身を除く): 36039033988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 997, 1994, 2991, 3988, 4985, 5982, 9970, 11964, 14955, 19940, 24925, 29910, 49850, 59820, 63541, 74775, 99700, 127082, 149550, 190623, 254164, 299100, 317705, 381246, 635410, 762492, 953115, 1270820, 1588525, 1906230, 3177050, 3812460, 4765575, 6354100, 9531150, 19062300, 63350377, 126700754, 190051131, 253401508, 316751885, 380102262, 633503770, 760204524, 950255655, 1267007540, 1583759425, 1900511310, 3167518850, 3801022620, 4751278275, 6335037700, 9502556550, 19005113100]

約数ペア:

[(1, 19005113100), (2, 9502556550), (3, 6335037700), (4, 4751278275), (5, 3801022620), (6, 3167518850), (10, 1900511310), (12, 1583759425), (15, 1267007540), (20, 950255655), (25, 760204524), (30, 633503770), (50, 380102262), (60, 316751885), (75, 253401508), (100, 190051131), (150, 126700754), (300, 63350377), (997, 19062300), (1994, 9531150), (2991, 6354100), (3988, 4765575), (4985, 3812460), (5982, 3177050), (9970, 1906230), (11964, 1588525), (14955, 1270820), (19940, 953115), (24925, 762492), (29910, 635410), (49850, 381246), (59820, 317705), (63541, 299100), (74775, 254164), (99700, 190623), (127082, 149550)]