19852740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2149

約数の個数: 72

約数和(自身を含む): 61385688

約数和(自身を除く): 41532948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2081, 2385, 3180, 4162, 4770, 6243, 8324, 9540, 10405, 12486, 18729, 20810, 24972, 31215, 37458, 41620, 62430, 74916, 93645, 110293, 124860, 187290, 220586, 330879, 374580, 441172, 551465, 661758, 992637, 1102930, 1323516, 1654395, 1985274, 2205860, 3308790, 3970548, 4963185, 6617580, 9926370, 19852740]

約数ペア:

[(1, 19852740), (2, 9926370), (3, 6617580), (4, 4963185), (5, 3970548), (6, 3308790), (9, 2205860), (10, 1985274), (12, 1654395), (15, 1323516), (18, 1102930), (20, 992637), (30, 661758), (36, 551465), (45, 441172), (53, 374580), (60, 330879), (90, 220586), (106, 187290), (159, 124860), (180, 110293), (212, 93645), (265, 74916), (318, 62430), (477, 41620), (530, 37458), (636, 31215), (795, 24972), (954, 20810), (1060, 18729), (1590, 12486), (1908, 10405), (2081, 9540), (2385, 8324), (3180, 6243), (4162, 4770)]