19348980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 64641024

約数和(自身を除く): 45292044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2003, 2415, 3220, 4006, 4830, 6009, 8012, 9660, 10015, 12018, 14021, 20030, 24036, 28042, 30045, 40060, 42063, 46069, 56084, 60090, 70105, 84126, 92138, 120180, 138207, 140210, 168252, 184276, 210315, 230345, 276414, 280420, 322483, 420630, 460690, 552828, 644966, 691035, 841260, 921380, 967449, 1289932, 1382070, 1612415, 1934898, 2764140, 3224830, 3869796, 4837245, 6449660, 9674490, 19348980]

約数ペア:

[(1, 19348980), (2, 9674490), (3, 6449660), (4, 4837245), (5, 3869796), (6, 3224830), (7, 2764140), (10, 1934898), (12, 1612415), (14, 1382070), (15, 1289932), (20, 967449), (21, 921380), (23, 841260), (28, 691035), (30, 644966), (35, 552828), (42, 460690), (46, 420630), (60, 322483), (69, 280420), (70, 276414), (84, 230345), (92, 210315), (105, 184276), (115, 168252), (138, 140210), (140, 138207), (161, 120180), (210, 92138), (230, 84126), (276, 70105), (322, 60090), (345, 56084), (420, 46069), (460, 42063), (483, 40060), (644, 30045), (690, 28042), (805, 24036), (966, 20030), (1380, 14021), (1610, 12018), (1932, 10015), (2003, 9660), (2415, 8012), (3220, 6009), (4006, 4830)]