18904312

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3793}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 40975200

約数和(自身を除く): 22070888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3793, 4984, 7586, 15172, 26551, 30344, 53102, 106204, 212408, 337577, 675154, 1350308, 2363039, 2700616, 4726078, 9452156, 18904312]

約数ペア:

[(1, 18904312), (2, 9452156), (4, 4726078), (7, 2700616), (8, 2363039), (14, 1350308), (28, 675154), (56, 337577), (89, 212408), (178, 106204), (356, 53102), (623, 30344), (712, 26551), (1246, 15172), (2492, 7586), (3793, 4984)]