19191660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13907}}^1$

素因数の和:13942

約数の個数: 48

約数和(自身を含む): 56077056

約数和(自身を除く): 36885396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13907, 27814, 41721, 55628, 69535, 83442, 139070, 166884, 208605, 278140, 319861, 417210, 639722, 834420, 959583, 1279444, 1599305, 1919166, 3198610, 3838332, 4797915, 6397220, 9595830, 19191660]

約数ペア:

[(1, 19191660), (2, 9595830), (3, 6397220), (4, 4797915), (5, 3838332), (6, 3198610), (10, 1919166), (12, 1599305), (15, 1279444), (20, 959583), (23, 834420), (30, 639722), (46, 417210), (60, 319861), (69, 278140), (92, 208605), (115, 166884), (138, 139070), (230, 83442), (276, 69535), (345, 55628), (460, 41721), (690, 27814), (1380, 13907)]