1813874945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 2286627840

約数和(自身を除く): 472752895

約数列:

[1, 5, 31, 83, 155, 277, 415, 509, 1385, 2545, 2573, 8587, 12865, 15779, 22991, 42247, 42935, 78895, 114955, 140993, 211235, 704965, 712721, 1309657, 3563605, 4370783, 6548285, 11702419, 21853915, 58512095, 362774989, 1813874945]

約数ペア:

[(1, 1813874945), (5, 362774989), (31, 58512095), (83, 21853915), (155, 11702419), (277, 6548285), (415, 4370783), (509, 3563605), (1385, 1309657), (2545, 712721), (2573, 704965), (8587, 211235), (12865, 140993), (15779, 114955), (22991, 78895), (42247, 42935)]