19991772

素因数分解:

$2^2\times 3^4\times {\mathrm{61703}}^1$

素因数の和:61719

約数の個数: 30

約数和(自身を含む): 52263288

約数和(自身を除く): 32271516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61703, 123406, 185109, 246812, 370218, 555327, 740436, 1110654, 1665981, 2221308, 3331962, 4997943, 6663924, 9995886, 19991772]

約数ペア:

[(1, 19991772), (2, 9995886), (3, 6663924), (4, 4997943), (6, 3331962), (9, 2221308), (12, 1665981), (18, 1110654), (27, 740436), (36, 555327), (54, 370218), (81, 246812), (108, 185109), (162, 123406), (324, 61703)]