19931580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110731}}^1$

素因数の和:110746

約数の個数: 36

約数和(自身を含む): 60459672

約数和(自身を除く): 40528092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110731, 221462, 332193, 442924, 553655, 664386, 996579, 1107310, 1328772, 1660965, 1993158, 2214620, 3321930, 3986316, 4982895, 6643860, 9965790, 19931580]

約数ペア:

[(1, 19931580), (2, 9965790), (3, 6643860), (4, 4982895), (5, 3986316), (6, 3321930), (9, 2214620), (10, 1993158), (12, 1660965), (15, 1328772), (18, 1107310), (20, 996579), (30, 664386), (36, 553655), (45, 442924), (60, 332193), (90, 221462), (180, 110731)]