18427770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 31183110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 521, 655, 786, 1042, 1179, 1310, 1563, 1965, 2358, 2605, 3126, 3537, 3930, 4689, 5210, 5895, 7074, 7815, 9378, 11790, 14067, 15630, 17685, 23445, 28134, 35370, 46890, 68251, 70335, 136502, 140670, 204753, 341255, 409506, 614259, 682510, 1023765, 1228518, 1842777, 2047530, 3071295, 3685554, 6142590, 9213885, 18427770]

約数ペア:

[(1, 18427770), (2, 9213885), (3, 6142590), (5, 3685554), (6, 3071295), (9, 2047530), (10, 1842777), (15, 1228518), (18, 1023765), (27, 682510), (30, 614259), (45, 409506), (54, 341255), (90, 204753), (131, 140670), (135, 136502), (262, 70335), (270, 68251), (393, 46890), (521, 35370), (655, 28134), (786, 23445), (1042, 17685), (1179, 15630), (1310, 14067), (1563, 11790), (1965, 9378), (2358, 7815), (2605, 7074), (3126, 5895), (3537, 5210), (3930, 4689)]