19878264

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13147}}^1$

素因数の和:13169

約数の個数: 64

約数和(自身を含む): 63110400

約数和(自身を除く): 43232136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13147, 26294, 39441, 52588, 78882, 92029, 105176, 118323, 157764, 184058, 236646, 276087, 315528, 354969, 368116, 473292, 552174, 709938, 736232, 828261, 946584, 1104348, 1419876, 1656522, 2208696, 2484783, 2839752, 3313044, 4969566, 6626088, 9939132, 19878264]

約数ペア:

[(1, 19878264), (2, 9939132), (3, 6626088), (4, 4969566), (6, 3313044), (7, 2839752), (8, 2484783), (9, 2208696), (12, 1656522), (14, 1419876), (18, 1104348), (21, 946584), (24, 828261), (27, 736232), (28, 709938), (36, 552174), (42, 473292), (54, 368116), (56, 354969), (63, 315528), (72, 276087), (84, 236646), (108, 184058), (126, 157764), (168, 118323), (189, 105176), (216, 92029), (252, 78882), (378, 52588), (504, 39441), (756, 26294), (1512, 13147)]