18783970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 35956800

約数和(自身を除く): 17172830

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 907, 1090, 1814, 2071, 4142, 4535, 9070, 10355, 17233, 20710, 34466, 86165, 98863, 172330, 197726, 494315, 988630, 1878397, 3756794, 9391985, 18783970]

約数ペア:

[(1, 18783970), (2, 9391985), (5, 3756794), (10, 1878397), (19, 988630), (38, 494315), (95, 197726), (109, 172330), (190, 98863), (218, 86165), (545, 34466), (907, 20710), (1090, 17233), (1814, 10355), (2071, 9070), (4142, 4535)]