18471050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 37440312

約数和(自身を除く): 18969262

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 181, 314, 325, 362, 650, 785, 905, 1570, 1810, 2041, 2353, 3925, 4082, 4525, 4706, 7850, 9050, 10205, 11765, 20410, 23530, 28417, 51025, 56834, 58825, 102050, 117650, 142085, 284170, 369421, 710425, 738842, 1420850, 1847105, 3694210, 9235525, 18471050]

約数ペア:

[(1, 18471050), (2, 9235525), (5, 3694210), (10, 1847105), (13, 1420850), (25, 738842), (26, 710425), (50, 369421), (65, 284170), (130, 142085), (157, 117650), (181, 102050), (314, 58825), (325, 56834), (362, 51025), (650, 28417), (785, 23530), (905, 20410), (1570, 11765), (1810, 10205), (2041, 9050), (2353, 7850), (3925, 4706), (4082, 4525)]