19445643

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 33208320

約数和(自身を除く): 13762677

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 751, 959, 1233, 2253, 2877, 3699, 5257, 6759, 8631, 15771, 20277, 25893, 47313, 102887, 141939, 308661, 720209, 925983, 2160627, 2777949, 6481881, 19445643]

約数ペア:

[(1, 19445643), (3, 6481881), (7, 2777949), (9, 2160627), (21, 925983), (27, 720209), (63, 308661), (137, 141939), (189, 102887), (411, 47313), (751, 25893), (959, 20277), (1233, 15771), (2253, 8631), (2877, 6759), (3699, 5257)]