19005673040

素因数分解:

$2^4\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{161503}}^1$

素因数の和:162987

約数の個数: 40

約数和(自身を含む): 44218503168

約数和(自身を除く): 25212830128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1471, 2942, 5884, 7355, 11768, 14710, 23536, 29420, 58840, 117680, 161503, 323006, 646012, 807515, 1292024, 1615030, 2584048, 3230060, 6460120, 12920240, 237570913, 475141826, 950283652, 1187854565, 1900567304, 2375709130, 3801134608, 4751418260, 9502836520, 19005673040]

約数ペア:

[(1, 19005673040), (2, 9502836520), (4, 4751418260), (5, 3801134608), (8, 2375709130), (10, 1900567304), (16, 1187854565), (20, 950283652), (40, 475141826), (80, 237570913), (1471, 12920240), (2942, 6460120), (5884, 3230060), (7355, 2584048), (11768, 1615030), (14710, 1292024), (23536, 807515), (29420, 646012), (58840, 323006), (117680, 161503)]