18997902

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1523}}^1$

素因数の和:1555

約数の個数: 80

約数和(自身を含む): 53108352

約数和(自身を除く): 34110450

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1523, 1782, 2079, 3046, 4158, 4569, 6237, 9138, 10661, 12474, 13707, 16753, 21322, 27414, 31983, 33506, 41121, 50259, 63966, 82242, 95949, 100518, 117271, 123363, 150777, 191898, 234542, 246726, 287847, 301554, 351813, 452331, 575694, 703626, 863541, 904662, 1055439, 1356993, 1727082, 2110878, 2713986, 3166317, 6332634, 9498951, 18997902]

約数ペア:

[(1, 18997902), (2, 9498951), (3, 6332634), (6, 3166317), (7, 2713986), (9, 2110878), (11, 1727082), (14, 1356993), (18, 1055439), (21, 904662), (22, 863541), (27, 703626), (33, 575694), (42, 452331), (54, 351813), (63, 301554), (66, 287847), (77, 246726), (81, 234542), (99, 191898), (126, 150777), (154, 123363), (162, 117271), (189, 100518), (198, 95949), (231, 82242), (297, 63966), (378, 50259), (462, 41121), (567, 33506), (594, 31983), (693, 27414), (891, 21322), (1134, 16753), (1386, 13707), (1523, 12474), (1782, 10661), (2079, 9138), (3046, 6237), (4158, 4569)]