18855013970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{237379}}^1$

素因数の和:237459

約数の個数: 48

約数和(自身を含む): 37532626560

約数和(自身を除く): 18677612590

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 235, 338, 470, 611, 845, 1222, 1690, 3055, 6110, 7943, 15886, 39715, 79430, 237379, 474758, 1186895, 2373790, 3085927, 6171854, 11156813, 15429635, 22313626, 30859270, 40117051, 55784065, 80234102, 111568130, 145038569, 200585255, 290077138, 401170510, 725192845, 1450385690, 1885501397, 3771002794, 9427506985, 18855013970]

約数ペア:

[(1, 18855013970), (2, 9427506985), (5, 3771002794), (10, 1885501397), (13, 1450385690), (26, 725192845), (47, 401170510), (65, 290077138), (94, 200585255), (130, 145038569), (169, 111568130), (235, 80234102), (338, 55784065), (470, 40117051), (611, 30859270), (845, 22313626), (1222, 15429635), (1690, 11156813), (3055, 6171854), (6110, 3085927), (7943, 2373790), (15886, 1186895), (39715, 474758), (79430, 237379)]