18653940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3343}}^1$

素因数の和:3389

約数の個数: 72

約数和(自身を含む): 58426368

約数和(自身を除く): 39772428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3343, 5580, 6686, 10029, 13372, 16715, 20058, 30087, 33430, 40116, 50145, 60174, 66860, 100290, 103633, 120348, 150435, 200580, 207266, 300870, 310899, 414532, 518165, 601740, 621798, 932697, 1036330, 1243596, 1554495, 1865394, 2072660, 3108990, 3730788, 4663485, 6217980, 9326970, 18653940]

約数ペア:

[(1, 18653940), (2, 9326970), (3, 6217980), (4, 4663485), (5, 3730788), (6, 3108990), (9, 2072660), (10, 1865394), (12, 1554495), (15, 1243596), (18, 1036330), (20, 932697), (30, 621798), (31, 601740), (36, 518165), (45, 414532), (60, 310899), (62, 300870), (90, 207266), (93, 200580), (124, 150435), (155, 120348), (180, 103633), (186, 100290), (279, 66860), (310, 60174), (372, 50145), (465, 40116), (558, 33430), (620, 30087), (930, 20058), (1116, 16715), (1395, 13372), (1860, 10029), (2790, 6686), (3343, 5580)]