19516750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 40974336

約数和(自身を除く): 21457586

約数列:

[1, 2, 5, 10, 11, 22, 25, 47, 50, 55, 94, 110, 125, 151, 235, 250, 275, 302, 470, 517, 550, 755, 1034, 1175, 1375, 1510, 1661, 2350, 2585, 2750, 3322, 3775, 5170, 5875, 7097, 7550, 8305, 11750, 12925, 14194, 16610, 18875, 25850, 35485, 37750, 41525, 64625, 70970, 78067, 83050, 129250, 156134, 177425, 207625, 354850, 390335, 415250, 780670, 887125, 1774250, 1951675, 3903350, 9758375, 19516750]

約数ペア:

[(1, 19516750), (2, 9758375), (5, 3903350), (10, 1951675), (11, 1774250), (22, 887125), (25, 780670), (47, 415250), (50, 390335), (55, 354850), (94, 207625), (110, 177425), (125, 156134), (151, 129250), (235, 83050), (250, 78067), (275, 70970), (302, 64625), (470, 41525), (517, 37750), (550, 35485), (755, 25850), (1034, 18875), (1175, 16610), (1375, 14194), (1510, 12925), (1661, 11750), (2350, 8305), (2585, 7550), (2750, 7097), (3322, 5875), (3775, 5170)]