19813896

素因数分解:

$2^3\times 3^4\times {\mathrm{30577}}^1$

素因数の和:30595

約数の個数: 40

約数和(自身を含む): 55499070

約数和(自身を除く): 35685174

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30577, 61154, 91731, 122308, 183462, 244616, 275193, 366924, 550386, 733848, 825579, 1100772, 1651158, 2201544, 2476737, 3302316, 4953474, 6604632, 9906948, 19813896]

約数ペア:

[(1, 19813896), (2, 9906948), (3, 6604632), (4, 4953474), (6, 3302316), (8, 2476737), (9, 2201544), (12, 1651158), (18, 1100772), (24, 825579), (27, 733848), (36, 550386), (54, 366924), (72, 275193), (81, 244616), (108, 183462), (162, 122308), (216, 91731), (324, 61154), (648, 30577)]