19295540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 25217740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 383, 458, 766, 916, 1145, 1532, 1915, 2290, 2519, 3830, 4213, 4580, 5038, 7660, 8426, 10076, 12595, 16852, 21065, 25190, 42130, 50380, 84260, 87707, 175414, 350828, 438535, 877070, 964777, 1754140, 1929554, 3859108, 4823885, 9647770, 19295540]

約数ペア:

[(1, 19295540), (2, 9647770), (4, 4823885), (5, 3859108), (10, 1929554), (11, 1754140), (20, 964777), (22, 877070), (44, 438535), (55, 350828), (110, 175414), (220, 87707), (229, 84260), (383, 50380), (458, 42130), (766, 25190), (916, 21065), (1145, 16852), (1532, 12595), (1915, 10076), (2290, 8426), (2519, 7660), (3830, 5038), (4213, 4580)]