18849636

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40277}}^1$

素因数の和:40300

約数の個数: 36

約数和(自身を含む): 51314172

約数和(自身を除く): 32464536

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40277, 80554, 120831, 161108, 241662, 362493, 483324, 523601, 724986, 1047202, 1449972, 1570803, 2094404, 3141606, 4712409, 6283212, 9424818, 18849636]

約数ペア:

[(1, 18849636), (2, 9424818), (3, 6283212), (4, 4712409), (6, 3141606), (9, 2094404), (12, 1570803), (13, 1449972), (18, 1047202), (26, 724986), (36, 523601), (39, 483324), (52, 362493), (78, 241662), (117, 161108), (156, 120831), (234, 80554), (468, 40277)]