19245510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4973}}^1$

素因数の和:5029

約数の個数: 48

約数和(自身を含む): 51212304

約数和(自身を除く): 31966794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4973, 9946, 14919, 24865, 29838, 44757, 49730, 74595, 89514, 149190, 213839, 223785, 427678, 447570, 641517, 1069195, 1283034, 1924551, 2138390, 3207585, 3849102, 6415170, 9622755, 19245510]

約数ペア:

[(1, 19245510), (2, 9622755), (3, 6415170), (5, 3849102), (6, 3207585), (9, 2138390), (10, 1924551), (15, 1283034), (18, 1069195), (30, 641517), (43, 447570), (45, 427678), (86, 223785), (90, 213839), (129, 149190), (215, 89514), (258, 74595), (387, 49730), (430, 44757), (645, 29838), (774, 24865), (1290, 14919), (1935, 9946), (3870, 4973)]