19931490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221461}}^1$

素因数の和:221474

約数の個数: 24

約数和(自身を含む): 51822108

約数和(自身を除く): 31890618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221461, 442922, 664383, 1107305, 1328766, 1993149, 2214610, 3321915, 3986298, 6643830, 9965745, 19931490]

約数ペア:

[(1, 19931490), (2, 9965745), (3, 6643830), (5, 3986298), (6, 3321915), (9, 2214610), (10, 1993149), (15, 1328766), (18, 1107305), (30, 664383), (45, 442922), (90, 221461)]