18421554520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5548661}}^1$

素因数の和:5548755

約数の個数: 32

約数和(自身を含む): 41947884720

約数和(自身を除く): 23526330200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5548661, 11097322, 22194644, 27743305, 44389288, 55486610, 110973220, 221946440, 460538863, 921077726, 1842155452, 2302694315, 3684310904, 4605388630, 9210777260, 18421554520]

約数ペア:

[(1, 18421554520), (2, 9210777260), (4, 4605388630), (5, 3684310904), (8, 2302694315), (10, 1842155452), (20, 921077726), (40, 460538863), (83, 221946440), (166, 110973220), (332, 55486610), (415, 44389288), (664, 27743305), (830, 22194644), (1660, 11097322), (3320, 5548661)]