19496799

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 14448801

約数列:

[1, 3, 7, 9, 21, 31, 63, 67, 93, 149, 201, 217, 279, 447, 469, 603, 651, 1043, 1341, 1407, 1953, 2077, 3129, 4221, 4619, 6231, 9387, 9983, 13857, 14539, 18693, 29949, 32333, 41571, 43617, 69881, 89847, 96999, 130851, 209643, 290997, 309473, 628929, 928419, 2166311, 2785257, 6498933, 19496799]

約数ペア:

[(1, 19496799), (3, 6498933), (7, 2785257), (9, 2166311), (21, 928419), (31, 628929), (63, 309473), (67, 290997), (93, 209643), (149, 130851), (201, 96999), (217, 89847), (279, 69881), (447, 43617), (469, 41571), (603, 32333), (651, 29949), (1043, 18693), (1341, 14539), (1407, 13857), (1953, 9983), (2077, 9387), (3129, 6231), (4221, 4619)]