19739286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3821}}^1$

素因数の和:3877

約数の個数: 48

約数和(自身を含む): 50083488

約数和(自身を除く): 30344202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3821, 5166, 7642, 11463, 22926, 26747, 34389, 53494, 68778, 80241, 156661, 160482, 240723, 313322, 469983, 481446, 939966, 1096627, 1409949, 2193254, 2819898, 3289881, 6579762, 9869643, 19739286]

約数ペア:

[(1, 19739286), (2, 9869643), (3, 6579762), (6, 3289881), (7, 2819898), (9, 2193254), (14, 1409949), (18, 1096627), (21, 939966), (41, 481446), (42, 469983), (63, 313322), (82, 240723), (123, 160482), (126, 156661), (246, 80241), (287, 68778), (369, 53494), (574, 34389), (738, 26747), (861, 22926), (1722, 11463), (2583, 7642), (3821, 5166)]