19712608

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 40415760

約数和(自身を除く): 20703152

約数列:

[1, 2, 4, 8, 16, 32, 53, 59, 106, 118, 197, 212, 236, 394, 424, 472, 788, 848, 944, 1576, 1696, 1888, 3127, 3152, 6254, 6304, 10441, 11623, 12508, 20882, 23246, 25016, 41764, 46492, 50032, 83528, 92984, 100064, 167056, 185968, 334112, 371936, 616019, 1232038, 2464076, 4928152, 9856304, 19712608]

約数ペア:

[(1, 19712608), (2, 9856304), (4, 4928152), (8, 2464076), (16, 1232038), (32, 616019), (53, 371936), (59, 334112), (106, 185968), (118, 167056), (197, 100064), (212, 92984), (236, 83528), (394, 50032), (424, 46492), (472, 41764), (788, 25016), (848, 23246), (944, 20882), (1576, 12508), (1696, 11623), (1888, 10441), (3127, 6304), (3152, 6254)]