19159984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38629}}^1$

素因数の和:38668

約数の個数: 20

約数和(自身を含む): 38320960

約数和(自身を除く): 19160976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38629, 77258, 154516, 309032, 618064, 1197499, 2394998, 4789996, 9579992, 19159984]

約数ペア:

[(1, 19159984), (2, 9579992), (4, 4789996), (8, 2394998), (16, 1197499), (31, 618064), (62, 309032), (124, 154516), (248, 77258), (496, 38629)]