18963178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 33667200

約数和(自身を除く): 14704022

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1669, 3338, 5681, 11362, 21697, 31711, 38387, 43394, 63422, 76774, 412243, 499031, 729353, 824486, 998062, 1458706, 9481589, 18963178]

約数ペア:

[(1, 18963178), (2, 9481589), (13, 1458706), (19, 998062), (23, 824486), (26, 729353), (38, 499031), (46, 412243), (247, 76774), (299, 63422), (437, 43394), (494, 38387), (598, 31711), (874, 21697), (1669, 11362), (3338, 5681)]