18668780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 42971040

約数和(自身を除く): 24302260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1217, 1534, 2434, 3068, 3835, 4868, 6085, 7670, 12170, 15340, 15821, 24340, 31642, 63284, 71803, 79105, 143606, 158210, 287212, 316420, 359015, 718030, 933439, 1436060, 1866878, 3733756, 4667195, 9334390, 18668780]

約数ペア:

[(1, 18668780), (2, 9334390), (4, 4667195), (5, 3733756), (10, 1866878), (13, 1436060), (20, 933439), (26, 718030), (52, 359015), (59, 316420), (65, 287212), (118, 158210), (130, 143606), (236, 79105), (260, 71803), (295, 63284), (590, 31642), (767, 24340), (1180, 15821), (1217, 15340), (1534, 12170), (2434, 7670), (3068, 6085), (3835, 4868)]