19596880

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 45747072

約数和(自身を除く): 26150192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 503, 974, 1006, 1948, 2012, 2435, 2515, 3896, 4024, 4870, 5030, 7792, 8048, 9740, 10060, 19480, 20120, 38960, 40240, 244961, 489922, 979844, 1224805, 1959688, 2449610, 3919376, 4899220, 9798440, 19596880]

約数ペア:

[(1, 19596880), (2, 9798440), (4, 4899220), (5, 3919376), (8, 2449610), (10, 1959688), (16, 1224805), (20, 979844), (40, 489922), (80, 244961), (487, 40240), (503, 38960), (974, 20120), (1006, 19480), (1948, 10060), (2012, 9740), (2435, 8048), (2515, 7792), (3896, 5030), (4024, 4870)]