18986781690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7274629}}^1$

素因数の和:7274671

約数の個数: 48

約数和(自身を含む): 51067902600

約数和(自身を除く): 32081120910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7274629, 14549258, 21823887, 36373145, 43647774, 65471661, 72746290, 109119435, 130943322, 210964241, 218238870, 327358305, 421928482, 632892723, 654716610, 1054821205, 1265785446, 1898678169, 2109642410, 3164463615, 3797356338, 6328927230, 9493390845, 18986781690]

約数ペア:

[(1, 18986781690), (2, 9493390845), (3, 6328927230), (5, 3797356338), (6, 3164463615), (9, 2109642410), (10, 1898678169), (15, 1265785446), (18, 1054821205), (29, 654716610), (30, 632892723), (45, 421928482), (58, 327358305), (87, 218238870), (90, 210964241), (145, 130943322), (174, 109119435), (261, 72746290), (290, 65471661), (435, 43647774), (522, 36373145), (870, 21823887), (1305, 14549258), (2610, 7274629)]