19350380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 27642580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1553, 1780, 2492, 3106, 3115, 6212, 6230, 7765, 10871, 12460, 15530, 21742, 31060, 43484, 54355, 108710, 138217, 217420, 276434, 552868, 691085, 967519, 1382170, 1935038, 2764340, 3870076, 4837595, 9675190, 19350380]

約数ペア:

[(1, 19350380), (2, 9675190), (4, 4837595), (5, 3870076), (7, 2764340), (10, 1935038), (14, 1382170), (20, 967519), (28, 691085), (35, 552868), (70, 276434), (89, 217420), (140, 138217), (178, 108710), (356, 54355), (445, 43484), (623, 31060), (890, 21742), (1246, 15530), (1553, 12460), (1780, 10871), (2492, 7765), (3106, 6230), (3115, 6212)]