18013520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1732

約数の個数: 80

約数和(自身を含む): 50413440

約数和(自身を除く): 32399920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1693, 2128, 2660, 3386, 5320, 6772, 8465, 10640, 11851, 13544, 16930, 23702, 27088, 32167, 33860, 47404, 59255, 64334, 67720, 94808, 118510, 128668, 135440, 160835, 189616, 225169, 237020, 257336, 321670, 450338, 474040, 514672, 643340, 900676, 948080, 1125845, 1286680, 1801352, 2251690, 2573360, 3602704, 4503380, 9006760, 18013520]

約数ペア:

[(1, 18013520), (2, 9006760), (4, 4503380), (5, 3602704), (7, 2573360), (8, 2251690), (10, 1801352), (14, 1286680), (16, 1125845), (19, 948080), (20, 900676), (28, 643340), (35, 514672), (38, 474040), (40, 450338), (56, 321670), (70, 257336), (76, 237020), (80, 225169), (95, 189616), (112, 160835), (133, 135440), (140, 128668), (152, 118510), (190, 94808), (266, 67720), (280, 64334), (304, 59255), (380, 47404), (532, 33860), (560, 32167), (665, 27088), (760, 23702), (1064, 16930), (1330, 13544), (1520, 11851), (1693, 10640), (2128, 8465), (2660, 6772), (3386, 5320)]