19024720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 51996672

約数和(自身を除く): 32971952

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1663, 2288, 2860, 3326, 5720, 6652, 8315, 11440, 13304, 16630, 18293, 21619, 26608, 33260, 36586, 43238, 66520, 73172, 86476, 91465, 108095, 133040, 146344, 172952, 182930, 216190, 237809, 292688, 345904, 365860, 432380, 475618, 731720, 864760, 951236, 1189045, 1463440, 1729520, 1902472, 2378090, 3804944, 4756180, 9512360, 19024720]

約数ペア:

[(1, 19024720), (2, 9512360), (4, 4756180), (5, 3804944), (8, 2378090), (10, 1902472), (11, 1729520), (13, 1463440), (16, 1189045), (20, 951236), (22, 864760), (26, 731720), (40, 475618), (44, 432380), (52, 365860), (55, 345904), (65, 292688), (80, 237809), (88, 216190), (104, 182930), (110, 172952), (130, 146344), (143, 133040), (176, 108095), (208, 91465), (220, 86476), (260, 73172), (286, 66520), (440, 43238), (520, 36586), (572, 33260), (715, 26608), (880, 21619), (1040, 18293), (1144, 16630), (1430, 13304), (1663, 11440), (2288, 8315), (2860, 6652), (3326, 5720)]