19191840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39983}}^1$

素因数の和:40001

約数の個数: 48

約数和(自身を含む): 60455808

約数和(自身を除く): 41263968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39983, 79966, 119949, 159932, 199915, 239898, 319864, 399830, 479796, 599745, 639728, 799660, 959592, 1199490, 1279456, 1599320, 1919184, 2398980, 3198640, 3838368, 4797960, 6397280, 9595920, 19191840]

約数ペア:

[(1, 19191840), (2, 9595920), (3, 6397280), (4, 4797960), (5, 3838368), (6, 3198640), (8, 2398980), (10, 1919184), (12, 1599320), (15, 1279456), (16, 1199490), (20, 959592), (24, 799660), (30, 639728), (32, 599745), (40, 479796), (48, 399830), (60, 319864), (80, 239898), (96, 199915), (120, 159932), (160, 119949), (240, 79966), (480, 39983)]