18150640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2339}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 42653520

約数和(自身を除く): 24502880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2339, 3880, 4678, 7760, 9356, 11695, 18712, 23390, 37424, 46780, 93560, 187120, 226883, 453766, 907532, 1134415, 1815064, 2268830, 3630128, 4537660, 9075320, 18150640]

約数ペア:

[(1, 18150640), (2, 9075320), (4, 4537660), (5, 3630128), (8, 2268830), (10, 1815064), (16, 1134415), (20, 907532), (40, 453766), (80, 226883), (97, 187120), (194, 93560), (388, 46780), (485, 37424), (776, 23390), (970, 18712), (1552, 11695), (1940, 9356), (2339, 7760), (3880, 4678)]