18996876860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1782071}}^1$

素因数の和:1782134

約数の個数: 48

約数和(自身を含む): 44010050112

約数和(自身を除く): 25013173252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 1782071, 3564142, 7128284, 8910355, 17820710, 23166923, 35641420, 46333846, 73064911, 92667692, 115834615, 146129822, 231669230, 292259644, 365324555, 463338460, 730649110, 949843843, 1461298220, 1899687686, 3799375372, 4749219215, 9498438430, 18996876860]

約数ペア:

[(1, 18996876860), (2, 9498438430), (4, 4749219215), (5, 3799375372), (10, 1899687686), (13, 1461298220), (20, 949843843), (26, 730649110), (41, 463338460), (52, 365324555), (65, 292259644), (82, 231669230), (130, 146129822), (164, 115834615), (205, 92667692), (260, 73064911), (410, 46333846), (533, 35641420), (820, 23166923), (1066, 17820710), (2132, 8910355), (2665, 7128284), (5330, 3564142), (10660, 1782071)]