18290910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1353

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 30749730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1289, 1290, 1419, 2365, 2578, 2838, 3867, 4730, 6445, 7095, 7734, 12890, 14179, 14190, 19335, 28358, 38670, 42537, 55427, 70895, 85074, 110854, 141790, 166281, 212685, 277135, 332562, 425370, 554270, 609697, 831405, 1219394, 1662810, 1829091, 3048485, 3658182, 6096970, 9145455, 18290910]

約数ペア:

[(1, 18290910), (2, 9145455), (3, 6096970), (5, 3658182), (6, 3048485), (10, 1829091), (11, 1662810), (15, 1219394), (22, 831405), (30, 609697), (33, 554270), (43, 425370), (55, 332562), (66, 277135), (86, 212685), (110, 166281), (129, 141790), (165, 110854), (215, 85074), (258, 70895), (330, 55427), (430, 42537), (473, 38670), (645, 28358), (946, 19335), (1289, 14190), (1290, 14179), (1419, 12890), (2365, 7734), (2578, 7095), (2838, 6445), (3867, 4730)]