18727410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 31269390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1549, 2015, 2418, 3098, 4030, 4647, 6045, 7745, 9294, 12090, 15490, 20137, 23235, 40274, 46470, 48019, 60411, 96038, 100685, 120822, 144057, 201370, 240095, 288114, 302055, 480190, 604110, 624247, 720285, 1248494, 1440570, 1872741, 3121235, 3745482, 6242470, 9363705, 18727410]

約数ペア:

[(1, 18727410), (2, 9363705), (3, 6242470), (5, 3745482), (6, 3121235), (10, 1872741), (13, 1440570), (15, 1248494), (26, 720285), (30, 624247), (31, 604110), (39, 480190), (62, 302055), (65, 288114), (78, 240095), (93, 201370), (130, 144057), (155, 120822), (186, 100685), (195, 96038), (310, 60411), (390, 48019), (403, 46470), (465, 40274), (806, 23235), (930, 20137), (1209, 15490), (1549, 12090), (2015, 9294), (2418, 7745), (3098, 6045), (4030, 4647)]