18491120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6247}}^1$

素因数の和:6297

約数の個数: 40

約数和(自身を含む): 44160864

約数和(自身を除く): 25669744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6247, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 231139, 249880, 462278, 499760, 924556, 1155695, 1849112, 2311390, 3698224, 4622780, 9245560, 18491120]

約数ペア:

[(1, 18491120), (2, 9245560), (4, 4622780), (5, 3698224), (8, 2311390), (10, 1849112), (16, 1155695), (20, 924556), (37, 499760), (40, 462278), (74, 249880), (80, 231139), (148, 124940), (185, 99952), (296, 62470), (370, 49976), (592, 31235), (740, 24988), (1480, 12494), (2960, 6247)]