18478845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5333}}^1$

素因数の和:5362

約数の個数: 48

約数和(自身を含む): 39940992

約数和(自身を除く): 21462147

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5333, 15999, 26665, 37331, 47997, 58663, 79995, 111993, 175989, 186655, 239985, 293315, 335979, 410641, 527967, 559965, 879945, 1231923, 1679895, 2053205, 2639835, 3695769, 6159615, 18478845]

約数ペア:

[(1, 18478845), (3, 6159615), (5, 3695769), (7, 2639835), (9, 2053205), (11, 1679895), (15, 1231923), (21, 879945), (33, 559965), (35, 527967), (45, 410641), (55, 335979), (63, 293315), (77, 239985), (99, 186655), (105, 175989), (165, 111993), (231, 79995), (315, 58663), (385, 47997), (495, 37331), (693, 26665), (1155, 15999), (3465, 5333)]