19132540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2789}}^1$

素因数の和:2819

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 27739460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2789, 3430, 5578, 6860, 11156, 13945, 19523, 27890, 39046, 55780, 78092, 97615, 136661, 195230, 273322, 390460, 546644, 683305, 956627, 1366610, 1913254, 2733220, 3826508, 4783135, 9566270, 19132540]

約数ペア:

[(1, 19132540), (2, 9566270), (4, 4783135), (5, 3826508), (7, 2733220), (10, 1913254), (14, 1366610), (20, 956627), (28, 683305), (35, 546644), (49, 390460), (70, 273322), (98, 195230), (140, 136661), (196, 97615), (245, 78092), (343, 55780), (490, 39046), (686, 27890), (980, 19523), (1372, 13945), (1715, 11156), (2789, 6860), (3430, 5578)]