19534880

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1471}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 27204064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1471, 1660, 2656, 2942, 3320, 5884, 6640, 7355, 11768, 13280, 14710, 23536, 29420, 47072, 58840, 117680, 122093, 235360, 244186, 488372, 610465, 976744, 1220930, 1953488, 2441860, 3906976, 4883720, 9767440, 19534880]

約数ペア:

[(1, 19534880), (2, 9767440), (4, 4883720), (5, 3906976), (8, 2441860), (10, 1953488), (16, 1220930), (20, 976744), (32, 610465), (40, 488372), (80, 244186), (83, 235360), (160, 122093), (166, 117680), (332, 58840), (415, 47072), (664, 29420), (830, 23536), (1328, 14710), (1471, 13280), (1660, 11768), (2656, 7355), (2942, 6640), (3320, 5884)]