18881464

素因数分解:

$2^3\times 7^4\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 41342760

約数和(自身を除く): 22461296

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 983, 1372, 1966, 2401, 2744, 3932, 4802, 6881, 7864, 9604, 13762, 19208, 27524, 48167, 55048, 96334, 192668, 337169, 385336, 674338, 1348676, 2360183, 2697352, 4720366, 9440732, 18881464]

約数ペア:

[(1, 18881464), (2, 9440732), (4, 4720366), (7, 2697352), (8, 2360183), (14, 1348676), (28, 674338), (49, 385336), (56, 337169), (98, 192668), (196, 96334), (343, 55048), (392, 48167), (686, 27524), (983, 19208), (1372, 13762), (1966, 9604), (2401, 7864), (2744, 6881), (3932, 4802)]