19378491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10170309

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 269, 407, 649, 807, 1221, 1947, 2183, 2959, 6549, 8877, 9953, 15871, 24013, 29859, 47613, 72039, 109483, 174581, 328449, 523743, 587227, 1761681, 6459497, 19378491]

約数ペア:

[(1, 19378491), (3, 6459497), (11, 1761681), (33, 587227), (37, 523743), (59, 328449), (111, 174581), (177, 109483), (269, 72039), (407, 47613), (649, 29859), (807, 24013), (1221, 15871), (1947, 9953), (2183, 8877), (2959, 6549)]