18798840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 61963200

約数和(自身を除く): 43164360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 661, 711, 790, 948, 1185, 1322, 1422, 1580, 1896, 1983, 2370, 2644, 2844, 3160, 3305, 3555, 3966, 4740, 5288, 5688, 5949, 6610, 7110, 7932, 9480, 9915, 11898, 13220, 14220, 15864, 19830, 23796, 26440, 28440, 29745, 39660, 47592, 52219, 59490, 79320, 104438, 118980, 156657, 208876, 237960, 261095, 313314, 417752, 469971, 522190, 626628, 783285, 939942, 1044380, 1253256, 1566570, 1879884, 2088760, 2349855, 3133140, 3759768, 4699710, 6266280, 9399420, 18798840]

約数ペア:

[(1, 18798840), (2, 9399420), (3, 6266280), (4, 4699710), (5, 3759768), (6, 3133140), (8, 2349855), (9, 2088760), (10, 1879884), (12, 1566570), (15, 1253256), (18, 1044380), (20, 939942), (24, 783285), (30, 626628), (36, 522190), (40, 469971), (45, 417752), (60, 313314), (72, 261095), (79, 237960), (90, 208876), (120, 156657), (158, 118980), (180, 104438), (237, 79320), (316, 59490), (360, 52219), (395, 47592), (474, 39660), (632, 29745), (661, 28440), (711, 26440), (790, 23796), (948, 19830), (1185, 15864), (1322, 14220), (1422, 13220), (1580, 11898), (1896, 9915), (1983, 9480), (2370, 7932), (2644, 7110), (2844, 6610), (3160, 5949), (3305, 5688), (3555, 5288), (3966, 4740)]