19539492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 52321920

約数和(自身を除く): 32782428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 457, 509, 914, 1018, 1371, 1527, 1828, 2036, 2742, 3054, 3199, 3563, 5484, 6108, 6398, 7126, 9597, 10689, 12796, 14252, 19194, 21378, 38388, 42756, 232613, 465226, 697839, 930452, 1395678, 1628291, 2791356, 3256582, 4884873, 6513164, 9769746, 19539492]

約数ペア:

[(1, 19539492), (2, 9769746), (3, 6513164), (4, 4884873), (6, 3256582), (7, 2791356), (12, 1628291), (14, 1395678), (21, 930452), (28, 697839), (42, 465226), (84, 232613), (457, 42756), (509, 38388), (914, 21378), (1018, 19194), (1371, 14252), (1527, 12796), (1828, 10689), (2036, 9597), (2742, 7126), (3054, 6398), (3199, 6108), (3563, 5484)]