18506573421

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6469}}^1\times {\mathrm{5923}}^1$

素因数の和:12425

約数の個数: 32

約数和(自身を含む): 29436119040

約数和(自身を除く): 10929545619

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 5923, 6469, 17769, 19407, 41461, 45283, 124383, 135849, 136229, 148787, 408687, 446361, 953603, 1041509, 2860809, 3124527, 38315887, 114947661, 268211209, 804633627, 881265401, 2643796203, 6168857807, 18506573421]

約数ペア:

[(1, 18506573421), (3, 6168857807), (7, 2643796203), (21, 881265401), (23, 804633627), (69, 268211209), (161, 114947661), (483, 38315887), (5923, 3124527), (6469, 2860809), (17769, 1041509), (19407, 953603), (41461, 446361), (45283, 408687), (124383, 148787), (135849, 136229)]