18809778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 40723200

約数和(自身を除く): 21913422

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239, 478, 717, 1009, 1434, 2018, 3027, 3107, 6054, 6214, 9321, 13117, 18642, 26234, 39351, 78702, 241151, 482302, 723453, 1446906, 3134963, 6269926, 9404889, 18809778]

約数ペア:

[(1, 18809778), (2, 9404889), (3, 6269926), (6, 3134963), (13, 1446906), (26, 723453), (39, 482302), (78, 241151), (239, 78702), (478, 39351), (717, 26234), (1009, 18642), (1434, 13117), (2018, 9321), (3027, 6214), (3107, 6054)]