18909392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 38435040

約数和(自身を除く): 19525648

約数列:

[1, 2, 4, 8, 16, 29, 58, 83, 116, 166, 232, 332, 464, 491, 664, 982, 1328, 1964, 2407, 3928, 4814, 7856, 9628, 14239, 19256, 28478, 38512, 40753, 56956, 81506, 113912, 163012, 227824, 326024, 652048, 1181837, 2363674, 4727348, 9454696, 18909392]

約数ペア:

[(1, 18909392), (2, 9454696), (4, 4727348), (8, 2363674), (16, 1181837), (29, 652048), (58, 326024), (83, 227824), (116, 163012), (166, 113912), (232, 81506), (332, 56956), (464, 40753), (491, 38512), (664, 28478), (982, 19256), (1328, 14239), (1964, 9628), (2407, 7856), (3928, 4814)]