19937460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17520

約数の個数: 48

約数和(自身を含む): 58766400

約数和(自身を除く): 38828940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17489, 34978, 52467, 69956, 87445, 104934, 174890, 209868, 262335, 332291, 349780, 524670, 664582, 996873, 1049340, 1329164, 1661455, 1993746, 3322910, 3987492, 4984365, 6645820, 9968730, 19937460]

約数ペア:

[(1, 19937460), (2, 9968730), (3, 6645820), (4, 4984365), (5, 3987492), (6, 3322910), (10, 1993746), (12, 1661455), (15, 1329164), (19, 1049340), (20, 996873), (30, 664582), (38, 524670), (57, 349780), (60, 332291), (76, 262335), (95, 209868), (114, 174890), (190, 104934), (228, 87445), (285, 69956), (380, 52467), (570, 34978), (1140, 17489)]