19710328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3343}}^1$

素因数の和:3427

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 21220232

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3343, 5896, 6686, 13372, 26744, 36773, 73546, 147092, 223981, 294184, 447962, 895924, 1791848, 2463791, 4927582, 9855164, 19710328]

約数ペア:

[(1, 19710328), (2, 9855164), (4, 4927582), (8, 2463791), (11, 1791848), (22, 895924), (44, 447962), (67, 294184), (88, 223981), (134, 147092), (268, 73546), (536, 36773), (737, 26744), (1474, 13372), (2948, 6686), (3343, 5896)]