18031260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23117}}^1$

素因数の和:23142

約数の個数: 48

約数和(自身を含む): 54373536

約数和(自身を除く): 36342276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23117, 46234, 69351, 92468, 115585, 138702, 231170, 277404, 300521, 346755, 462340, 601042, 693510, 901563, 1202084, 1387020, 1502605, 1803126, 3005210, 3606252, 4507815, 6010420, 9015630, 18031260]

約数ペア:

[(1, 18031260), (2, 9015630), (3, 6010420), (4, 4507815), (5, 3606252), (6, 3005210), (10, 1803126), (12, 1502605), (13, 1387020), (15, 1202084), (20, 901563), (26, 693510), (30, 601042), (39, 462340), (52, 346755), (60, 300521), (65, 277404), (78, 231170), (130, 138702), (156, 115585), (195, 92468), (260, 69351), (390, 46234), (780, 23117)]