19429722

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1995

約数の個数: 48

約数和(自身を含む): 46414368

約数和(自身を除く): 26984646

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 1931, 3354, 3862, 5031, 5793, 10062, 11586, 17379, 25103, 34758, 50206, 75309, 83033, 150618, 166066, 225927, 249099, 451854, 498198, 747297, 1079429, 1494594, 2158858, 3238287, 6476574, 9714861, 19429722]

約数ペア:

[(1, 19429722), (2, 9714861), (3, 6476574), (6, 3238287), (9, 2158858), (13, 1494594), (18, 1079429), (26, 747297), (39, 498198), (43, 451854), (78, 249099), (86, 225927), (117, 166066), (129, 150618), (234, 83033), (258, 75309), (387, 50206), (559, 34758), (774, 25103), (1118, 17379), (1677, 11586), (1931, 10062), (3354, 5793), (3862, 5031)]