12943940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 16933180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1481, 1748, 2185, 2962, 4370, 5924, 7405, 8740, 14810, 28139, 29620, 34063, 56278, 68126, 112556, 136252, 140695, 170315, 281390, 340630, 562780, 647197, 681260, 1294394, 2588788, 3235985, 6471970, 12943940]

約数ペア:

[(1, 12943940), (2, 6471970), (4, 3235985), (5, 2588788), (10, 1294394), (19, 681260), (20, 647197), (23, 562780), (38, 340630), (46, 281390), (76, 170315), (92, 140695), (95, 136252), (115, 112556), (190, 68126), (230, 56278), (380, 34063), (437, 29620), (460, 28139), (874, 14810), (1481, 8740), (1748, 7405), (2185, 5924), (2962, 4370)]