19326640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7793}}^1$

素因数の和:7837

約数の個数: 40

約数和(自身を含む): 46389888

約数和(自身を除く): 27063248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 241583, 311720, 483166, 623440, 966332, 1207915, 1932664, 2415830, 3865328, 4831660, 9663320, 19326640]

約数ペア:

[(1, 19326640), (2, 9663320), (4, 4831660), (5, 3865328), (8, 2415830), (10, 1932664), (16, 1207915), (20, 966332), (31, 623440), (40, 483166), (62, 311720), (80, 241583), (124, 155860), (155, 124688), (248, 77930), (310, 62344), (496, 38965), (620, 31172), (1240, 15586), (2480, 7793)]