19581790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 17976290

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 503, 1006, 1145, 2290, 2515, 3893, 5030, 7786, 8551, 17102, 19465, 38930, 42755, 85510, 115187, 230374, 575935, 1151870, 1958179, 3916358, 9790895, 19581790]

約数ペア:

[(1, 19581790), (2, 9790895), (5, 3916358), (10, 1958179), (17, 1151870), (34, 575935), (85, 230374), (170, 115187), (229, 85510), (458, 42755), (503, 38930), (1006, 19465), (1145, 17102), (2290, 8551), (2515, 7786), (3893, 5030)]