19934070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32320650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 647, 790, 1027, 1185, 1294, 1941, 2054, 2370, 3081, 3235, 3882, 5135, 6162, 6470, 8411, 9705, 10270, 15405, 16822, 19410, 25233, 30810, 42055, 50466, 51113, 84110, 102226, 126165, 153339, 252330, 255565, 306678, 511130, 664469, 766695, 1328938, 1533390, 1993407, 3322345, 3986814, 6644690, 9967035, 19934070]

約数ペア:

[(1, 19934070), (2, 9967035), (3, 6644690), (5, 3986814), (6, 3322345), (10, 1993407), (13, 1533390), (15, 1328938), (26, 766695), (30, 664469), (39, 511130), (65, 306678), (78, 255565), (79, 252330), (130, 153339), (158, 126165), (195, 102226), (237, 84110), (390, 51113), (395, 50466), (474, 42055), (647, 30810), (790, 25233), (1027, 19410), (1185, 16822), (1294, 15405), (1941, 10270), (2054, 9705), (2370, 8411), (3081, 6470), (3235, 6162), (3882, 5135)]