18506790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3445

約数の個数: 48

約数和(自身を含む): 48920976

約数和(自身を除く): 30414186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3371, 5490, 6742, 10113, 16855, 20226, 30339, 33710, 50565, 60678, 101130, 151695, 205631, 303390, 411262, 616893, 1028155, 1233786, 1850679, 2056310, 3084465, 3701358, 6168930, 9253395, 18506790]

約数ペア:

[(1, 18506790), (2, 9253395), (3, 6168930), (5, 3701358), (6, 3084465), (9, 2056310), (10, 1850679), (15, 1233786), (18, 1028155), (30, 616893), (45, 411262), (61, 303390), (90, 205631), (122, 151695), (183, 101130), (305, 60678), (366, 50565), (549, 33710), (610, 30339), (915, 20226), (1098, 16855), (1830, 10113), (2745, 6742), (3371, 5490)]