19071390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 30925410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 619, 790, 1027, 1185, 1238, 1857, 2054, 2370, 3081, 3095, 3714, 5135, 6162, 6190, 8047, 9285, 10270, 15405, 16094, 18570, 24141, 30810, 40235, 48282, 48901, 80470, 97802, 120705, 146703, 241410, 244505, 293406, 489010, 635713, 733515, 1271426, 1467030, 1907139, 3178565, 3814278, 6357130, 9535695, 19071390]

約数ペア:

[(1, 19071390), (2, 9535695), (3, 6357130), (5, 3814278), (6, 3178565), (10, 1907139), (13, 1467030), (15, 1271426), (26, 733515), (30, 635713), (39, 489010), (65, 293406), (78, 244505), (79, 241410), (130, 146703), (158, 120705), (195, 97802), (237, 80470), (390, 48901), (395, 48282), (474, 40235), (619, 30810), (790, 24141), (1027, 18570), (1185, 16094), (1238, 15405), (1857, 10270), (2054, 9285), (2370, 8047), (3081, 6190), (3095, 6162), (3714, 5135)]