18235550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 35970912

約数和(自身を除く): 17735362

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 101, 115, 157, 202, 230, 314, 505, 575, 785, 1010, 1150, 1570, 2323, 2525, 3611, 3925, 4646, 5050, 7222, 7850, 11615, 15857, 18055, 23230, 31714, 36110, 58075, 79285, 90275, 116150, 158570, 180550, 364711, 396425, 729422, 792850, 1823555, 3647110, 9117775, 18235550]

約数ペア:

[(1, 18235550), (2, 9117775), (5, 3647110), (10, 1823555), (23, 792850), (25, 729422), (46, 396425), (50, 364711), (101, 180550), (115, 158570), (157, 116150), (202, 90275), (230, 79285), (314, 58075), (505, 36110), (575, 31714), (785, 23230), (1010, 18055), (1150, 15857), (1570, 11615), (2323, 7850), (2525, 7222), (3611, 5050), (3925, 4646)]