17916724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 20403404

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 647, 989, 1204, 1294, 1978, 2588, 3956, 4529, 6923, 9058, 13846, 14881, 18116, 27692, 27821, 29762, 55642, 59524, 104167, 111284, 194747, 208334, 389494, 416668, 639883, 778988, 1279766, 2559532, 4479181, 8958362, 17916724]

約数ペア:

[(1, 17916724), (2, 8958362), (4, 4479181), (7, 2559532), (14, 1279766), (23, 778988), (28, 639883), (43, 416668), (46, 389494), (86, 208334), (92, 194747), (161, 111284), (172, 104167), (301, 59524), (322, 55642), (602, 29762), (644, 27821), (647, 27692), (989, 18116), (1204, 14881), (1294, 13846), (1978, 9058), (2588, 6923), (3956, 4529)]