19501120

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:575

約数の個数: 56

約数和(自身を含む): 46863000

約数和(自身を除く): 27361880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 409, 596, 745, 818, 1192, 1490, 1636, 2045, 2384, 2980, 3272, 4090, 4768, 5960, 6544, 8180, 9536, 11920, 13088, 16360, 23840, 26176, 32720, 47680, 60941, 65440, 121882, 130880, 243764, 304705, 487528, 609410, 975056, 1218820, 1950112, 2437640, 3900224, 4875280, 9750560, 19501120]

約数ペア:

[(1, 19501120), (2, 9750560), (4, 4875280), (5, 3900224), (8, 2437640), (10, 1950112), (16, 1218820), (20, 975056), (32, 609410), (40, 487528), (64, 304705), (80, 243764), (149, 130880), (160, 121882), (298, 65440), (320, 60941), (409, 47680), (596, 32720), (745, 26176), (818, 23840), (1192, 16360), (1490, 13088), (1636, 11920), (2045, 9536), (2384, 8180), (2980, 6544), (3272, 5960), (4090, 4768)]