1814878780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{634573}}^1$

素因数の和:634606

約数の個数: 48

約数和(自身を含む): 4477554144

約数和(自身を除く): 2662675364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 634573, 1269146, 2538292, 3172865, 6345730, 6980303, 8249449, 12691460, 13960606, 16498898, 27921212, 32997796, 34901515, 41247245, 69803030, 82494490, 90743939, 139606060, 164988980, 181487878, 362975756, 453719695, 907439390, 1814878780]

約数ペア:

[(1, 1814878780), (2, 907439390), (4, 453719695), (5, 362975756), (10, 181487878), (11, 164988980), (13, 139606060), (20, 90743939), (22, 82494490), (26, 69803030), (44, 41247245), (52, 34901515), (55, 32997796), (65, 27921212), (110, 16498898), (130, 13960606), (143, 12691460), (220, 8249449), (260, 6980303), (286, 6345730), (572, 3172865), (715, 2538292), (1430, 1269146), (2860, 634573)]