19917996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7649}}^1$

素因数の和:7694

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 34917204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7649, 15298, 22947, 30596, 45894, 53543, 91788, 107086, 160629, 214172, 237119, 321258, 474238, 642516, 711357, 948476, 1422714, 1659833, 2845428, 3319666, 4979499, 6639332, 9958998, 19917996]

約数ペア:

[(1, 19917996), (2, 9958998), (3, 6639332), (4, 4979499), (6, 3319666), (7, 2845428), (12, 1659833), (14, 1422714), (21, 948476), (28, 711357), (31, 642516), (42, 474238), (62, 321258), (84, 237119), (93, 214172), (124, 160629), (186, 107086), (217, 91788), (372, 53543), (434, 45894), (651, 30596), (868, 22947), (1302, 15298), (2604, 7649)]