19028500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 43767360

約数和(自身を除く): 24738860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2003, 2375, 4006, 4750, 8012, 9500, 10015, 20030, 38057, 40060, 50075, 76114, 100150, 152228, 190285, 200300, 250375, 380570, 500750, 761140, 951425, 1001500, 1902850, 3805700, 4757125, 9514250, 19028500]

約数ペア:

[(1, 19028500), (2, 9514250), (4, 4757125), (5, 3805700), (10, 1902850), (19, 1001500), (20, 951425), (25, 761140), (38, 500750), (50, 380570), (76, 250375), (95, 200300), (100, 190285), (125, 152228), (190, 100150), (250, 76114), (380, 50075), (475, 40060), (500, 38057), (950, 20030), (1900, 10015), (2003, 9500), (2375, 8012), (4006, 4750)]