18368480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8831}}^1$

素因数の和:8859

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 28370464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8831, 17662, 35324, 44155, 70648, 88310, 114803, 141296, 176620, 229606, 282592, 353240, 459212, 574015, 706480, 918424, 1148030, 1412960, 1836848, 2296060, 3673696, 4592120, 9184240, 18368480]

約数ペア:

[(1, 18368480), (2, 9184240), (4, 4592120), (5, 3673696), (8, 2296060), (10, 1836848), (13, 1412960), (16, 1148030), (20, 918424), (26, 706480), (32, 574015), (40, 459212), (52, 353240), (65, 282592), (80, 229606), (104, 176620), (130, 141296), (160, 114803), (208, 88310), (260, 70648), (416, 44155), (520, 35324), (1040, 17662), (2080, 8831)]