19400876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20933236

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 701, 748, 814, 1258, 1402, 1628, 2516, 2804, 6919, 7711, 11917, 13838, 15422, 23834, 25937, 27676, 30844, 47668, 51874, 103748, 131087, 262174, 285307, 440929, 524348, 570614, 881858, 1141228, 1763716, 4850219, 9700438, 19400876]

約数ペア:

[(1, 19400876), (2, 9700438), (4, 4850219), (11, 1763716), (17, 1141228), (22, 881858), (34, 570614), (37, 524348), (44, 440929), (68, 285307), (74, 262174), (148, 131087), (187, 103748), (374, 51874), (407, 47668), (629, 30844), (701, 27676), (748, 25937), (814, 23834), (1258, 15422), (1402, 13838), (1628, 11917), (2516, 7711), (2804, 6919)]