18939801850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{112103}}^1$

素因数の和:112255

約数の個数: 48

約数和(自身を含む): 36698365440

約数和(自身を除く): 17758563590

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 545, 775, 1090, 1550, 2725, 3379, 5450, 6758, 16895, 33790, 84475, 112103, 168950, 224206, 560515, 1121030, 2802575, 3475193, 5605150, 6950386, 12219227, 17375965, 24438454, 34751930, 61096135, 86879825, 122192270, 173759650, 305480675, 378796037, 610961350, 757592074, 1893980185, 3787960370, 9469900925, 18939801850]

約数ペア:

[(1, 18939801850), (2, 9469900925), (5, 3787960370), (10, 1893980185), (25, 757592074), (31, 610961350), (50, 378796037), (62, 305480675), (109, 173759650), (155, 122192270), (218, 86879825), (310, 61096135), (545, 34751930), (775, 24438454), (1090, 17375965), (1550, 12219227), (2725, 6950386), (3379, 5605150), (5450, 3475193), (6758, 2802575), (16895, 1121030), (33790, 560515), (84475, 224206), (112103, 168950)]