19955642

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1470

約数の個数: 24

約数和(自身を含む): 35069364

約数和(自身を除く): 15113722

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1297, 2198, 2594, 7693, 9079, 15386, 18158, 63553, 127106, 203629, 407258, 1425403, 2850806, 9977821, 19955642]

約数ペア:

[(1, 19955642), (2, 9977821), (7, 2850806), (14, 1425403), (49, 407258), (98, 203629), (157, 127106), (314, 63553), (1099, 18158), (1297, 15386), (2198, 9079), (2594, 7693)]