19618716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6619}}^1$

素因数の和:6658

約数の個数: 48

約数和(自身を含む): 51900800

約数和(自身を除く): 32282084

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6619, 13238, 19857, 26476, 39714, 79428, 86047, 125761, 172094, 251522, 258141, 344188, 377283, 503044, 516282, 754566, 1032564, 1509132, 1634893, 3269786, 4904679, 6539572, 9809358, 19618716]

約数ペア:

[(1, 19618716), (2, 9809358), (3, 6539572), (4, 4904679), (6, 3269786), (12, 1634893), (13, 1509132), (19, 1032564), (26, 754566), (38, 516282), (39, 503044), (52, 377283), (57, 344188), (76, 258141), (78, 251522), (114, 172094), (156, 125761), (228, 86047), (247, 79428), (494, 39714), (741, 26476), (988, 19857), (1482, 13238), (2964, 6619)]