19430576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1109

約数の個数: 40

約数和(自身を含む): 41475024

約数和(自身を除く): 22044448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 977, 1243, 1808, 1954, 2486, 3908, 4972, 7816, 9944, 10747, 15632, 19888, 21494, 42988, 85976, 110401, 171952, 220802, 441604, 883208, 1214411, 1766416, 2428822, 4857644, 9715288, 19430576]

約数ペア:

[(1, 19430576), (2, 9715288), (4, 4857644), (8, 2428822), (11, 1766416), (16, 1214411), (22, 883208), (44, 441604), (88, 220802), (113, 171952), (176, 110401), (226, 85976), (452, 42988), (904, 21494), (977, 19888), (1243, 15632), (1808, 10747), (1954, 9944), (2486, 7816), (3908, 4972)]