19720428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18059}}^1$

素因数の和:18086

約数の個数: 48

約数和(自身を含む): 56636160

約数和(自身を除く): 36915732

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18059, 36118, 54177, 72236, 108354, 126413, 216708, 234767, 252826, 379239, 469534, 505652, 704301, 758478, 939068, 1408602, 1516956, 1643369, 2817204, 3286738, 4930107, 6573476, 9860214, 19720428]

約数ペア:

[(1, 19720428), (2, 9860214), (3, 6573476), (4, 4930107), (6, 3286738), (7, 2817204), (12, 1643369), (13, 1516956), (14, 1408602), (21, 939068), (26, 758478), (28, 704301), (39, 505652), (42, 469534), (52, 379239), (78, 252826), (84, 234767), (91, 216708), (156, 126413), (182, 108354), (273, 72236), (364, 54177), (546, 36118), (1092, 18059)]