18371703

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 10981257

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 311, 609, 679, 933, 2037, 2177, 2813, 6531, 8439, 9019, 19691, 27057, 30167, 59073, 63133, 90501, 189399, 211169, 633507, 874843, 2624529, 6123901, 18371703]

約数ペア:

[(1, 18371703), (3, 6123901), (7, 2624529), (21, 874843), (29, 633507), (87, 211169), (97, 189399), (203, 90501), (291, 63133), (311, 59073), (609, 30167), (679, 27057), (933, 19691), (2037, 9019), (2177, 8439), (2813, 6531)]