18020108650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{733}}^1\times {\mathrm{9277}}^1$

素因数の和:10075

約数の個数: 48

約数和(自身を含む): 34200081144

約数和(自身を除く): 16179972494

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 733, 1325, 1466, 2650, 3665, 7330, 9277, 18325, 18554, 36650, 38849, 46385, 77698, 92770, 194245, 231925, 388490, 463850, 491681, 971225, 983362, 1942450, 2458405, 4916810, 6800041, 12292025, 13600082, 24584050, 34000205, 68000410, 170001025, 340002050, 360402173, 720804346, 1802010865, 3604021730, 9010054325, 18020108650]

約数ペア:

[(1, 18020108650), (2, 9010054325), (5, 3604021730), (10, 1802010865), (25, 720804346), (50, 360402173), (53, 340002050), (106, 170001025), (265, 68000410), (530, 34000205), (733, 24584050), (1325, 13600082), (1466, 12292025), (2650, 6800041), (3665, 4916810), (7330, 2458405), (9277, 1942450), (18325, 983362), (18554, 971225), (36650, 491681), (38849, 463850), (46385, 388490), (77698, 231925), (92770, 194245)]