18970920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52697}}^1$

素因数の和:52714

約数の個数: 48

約数和(自身を含む): 61656660

約数和(自身を除く): 42685740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52697, 105394, 158091, 210788, 263485, 316182, 421576, 474273, 526970, 632364, 790455, 948546, 1053940, 1264728, 1580910, 1897092, 2107880, 2371365, 3161820, 3794184, 4742730, 6323640, 9485460, 18970920]

約数ペア:

[(1, 18970920), (2, 9485460), (3, 6323640), (4, 4742730), (5, 3794184), (6, 3161820), (8, 2371365), (9, 2107880), (10, 1897092), (12, 1580910), (15, 1264728), (18, 1053940), (20, 948546), (24, 790455), (30, 632364), (36, 526970), (40, 474273), (45, 421576), (60, 316182), (72, 263485), (90, 210788), (120, 158091), (180, 105394), (360, 52697)]