18633321

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 40

約数和(自身を含む): 32408640

約数和(自身を除く): 13775319

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 557, 567, 1239, 1593, 1671, 3717, 3899, 4779, 5013, 11151, 11697, 15039, 32863, 33453, 35091, 45117, 98589, 105273, 230041, 295767, 315819, 690123, 887301, 2070369, 2661903, 6211107, 18633321]

約数ペア:

[(1, 18633321), (3, 6211107), (7, 2661903), (9, 2070369), (21, 887301), (27, 690123), (59, 315819), (63, 295767), (81, 230041), (177, 105273), (189, 98589), (413, 45117), (531, 35091), (557, 33453), (567, 32863), (1239, 15039), (1593, 11697), (1671, 11151), (3717, 5013), (3899, 4779)]