19005480160

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{405407}}^1$

素因数の和:405715

約数の個数: 48

約数和(自身を含む): 45053801856

約数和(自身を除く): 26048321696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 1172, 1465, 2344, 2930, 4688, 5860, 9376, 11720, 23440, 46880, 405407, 810814, 1621628, 2027035, 3243256, 4054070, 6486512, 8108140, 12973024, 16216280, 32432560, 64865120, 118784251, 237568502, 475137004, 593921255, 950274008, 1187842510, 1900548016, 2375685020, 3801096032, 4751370040, 9502740080, 19005480160]

約数ペア:

[(1, 19005480160), (2, 9502740080), (4, 4751370040), (5, 3801096032), (8, 2375685020), (10, 1900548016), (16, 1187842510), (20, 950274008), (32, 593921255), (40, 475137004), (80, 237568502), (160, 118784251), (293, 64865120), (586, 32432560), (1172, 16216280), (1465, 12973024), (2344, 8108140), (2930, 6486512), (4688, 4054070), (5860, 3243256), (9376, 2027035), (11720, 1621628), (23440, 810814), (46880, 405407)]