19666440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54629}}^1$

素因数の和:54646

約数の個数: 48

約数和(自身を含む): 63917100

約数和(自身を除く): 44250660

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, 54629, 109258, 163887, 218516, 273145, 327774, 437032, 491661, 546290, 655548, 819435, 983322, 1092580, 1311096, 1638870, 1966644, 2185160, 2458305, 3277740, 3933288, 4916610, 6555480, 9833220, 19666440]

約数ペア:

[(1, 19666440), (2, 9833220), (3, 6555480), (4, 4916610), (5, 3933288), (6, 3277740), (8, 2458305), (9, 2185160), (10, 1966644), (12, 1638870), (15, 1311096), (18, 1092580), (20, 983322), (24, 819435), (30, 655548), (36, 546290), (40, 491661), (45, 437032), (60, 327774), (72, 273145), (90, 218516), (120, 163887), (180, 109258), (360, 54629)]