19279975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5393}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 28091952

約数和(自身を除く): 8811977

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5393, 26965, 59323, 70109, 134825, 296615, 350545, 771199, 1483075, 1752725, 3855995, 19279975]

約数ペア:

[(1, 19279975), (5, 3855995), (11, 1752725), (13, 1483075), (25, 771199), (55, 350545), (65, 296615), (143, 134825), (275, 70109), (325, 59323), (715, 26965), (3575, 5393)]