1809940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 4374720

約数和(自身を除く): 2564780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 433, 836, 866, 1045, 1732, 2090, 2165, 4180, 4330, 4763, 8227, 8660, 9526, 16454, 19052, 23815, 32908, 41135, 47630, 82270, 90497, 95260, 164540, 180994, 361988, 452485, 904970, 1809940]

約数ペア:

[(1, 1809940), (2, 904970), (4, 452485), (5, 361988), (10, 180994), (11, 164540), (19, 95260), (20, 90497), (22, 82270), (38, 47630), (44, 41135), (55, 32908), (76, 23815), (95, 19052), (110, 16454), (190, 9526), (209, 8660), (220, 8227), (380, 4763), (418, 4330), (433, 4180), (836, 2165), (866, 2090), (1045, 1732)]