19895544

素因数分解:

$2^3\times 3^4\times {\mathrm{30703}}^1$

素因数の和:30721

約数の個数: 40

約数和(自身を含む): 55727760

約数和(自身を除く): 35832216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30703, 61406, 92109, 122812, 184218, 245624, 276327, 368436, 552654, 736872, 828981, 1105308, 1657962, 2210616, 2486943, 3315924, 4973886, 6631848, 9947772, 19895544]

約数ペア:

[(1, 19895544), (2, 9947772), (3, 6631848), (4, 4973886), (6, 3315924), (8, 2486943), (9, 2210616), (12, 1657962), (18, 1105308), (24, 828981), (27, 736872), (36, 552654), (54, 368436), (72, 276327), (81, 245624), (108, 184218), (162, 122812), (216, 92109), (324, 61406), (648, 30703)]