18746480

素因数分解:

$2^4\times 5^1\times {\mathrm{234331}}^1$

素因数の和:234344

約数の個数: 20

約数和(自身を含む): 43585752

約数和(自身を除く): 24839272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234331, 468662, 937324, 1171655, 1874648, 2343310, 3749296, 4686620, 9373240, 18746480]

約数ペア:

[(1, 18746480), (2, 9373240), (4, 4686620), (5, 3749296), (8, 2343310), (10, 1874648), (16, 1171655), (20, 937324), (40, 468662), (80, 234331)]