19098040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 48736800

約数和(自身を除く): 29638760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1933, 1976, 2470, 3866, 4940, 7732, 9665, 9880, 15464, 19330, 25129, 36727, 38660, 50258, 73454, 77320, 100516, 125645, 146908, 183635, 201032, 251290, 293816, 367270, 477451, 502580, 734540, 954902, 1005160, 1469080, 1909804, 2387255, 3819608, 4774510, 9549020, 19098040]

約数ペア:

[(1, 19098040), (2, 9549020), (4, 4774510), (5, 3819608), (8, 2387255), (10, 1909804), (13, 1469080), (19, 1005160), (20, 954902), (26, 734540), (38, 502580), (40, 477451), (52, 367270), (65, 293816), (76, 251290), (95, 201032), (104, 183635), (130, 146908), (152, 125645), (190, 100516), (247, 77320), (260, 73454), (380, 50258), (494, 38660), (520, 36727), (760, 25129), (988, 19330), (1235, 15464), (1933, 9880), (1976, 9665), (2470, 7732), (3866, 4940)]