19479229

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 26873856

約数和(自身を除く): 7394627

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 647, 1309, 1771, 2737, 4301, 4529, 7117, 10999, 14881, 30107, 49819, 76993, 104167, 120989, 163691, 252977, 846923, 1145837, 1770839, 2782747, 19479229]

約数ペア:

[(1, 19479229), (7, 2782747), (11, 1770839), (17, 1145837), (23, 846923), (77, 252977), (119, 163691), (161, 120989), (187, 104167), (253, 76993), (391, 49819), (647, 30107), (1309, 14881), (1771, 10999), (2737, 7117), (4301, 4529)]