15854740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 38243520

約数和(自身を除く): 22388780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3793, 4180, 7586, 15172, 18965, 37930, 41723, 72067, 75860, 83446, 144134, 166892, 208615, 288268, 360335, 417230, 720670, 792737, 834460, 1441340, 1585474, 3170948, 3963685, 7927370, 15854740]

約数ペア:

[(1, 15854740), (2, 7927370), (4, 3963685), (5, 3170948), (10, 1585474), (11, 1441340), (19, 834460), (20, 792737), (22, 720670), (38, 417230), (44, 360335), (55, 288268), (76, 208615), (95, 166892), (110, 144134), (190, 83446), (209, 75860), (220, 72067), (380, 41723), (418, 37930), (836, 18965), (1045, 15172), (2090, 7586), (3793, 4180)]