19121740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3779}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26601140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3779, 5060, 7558, 15116, 18895, 37790, 41569, 75580, 83138, 86917, 166276, 173834, 207845, 347668, 415690, 434585, 831380, 869170, 956087, 1738340, 1912174, 3824348, 4780435, 9560870, 19121740]

約数ペア:

[(1, 19121740), (2, 9560870), (4, 4780435), (5, 3824348), (10, 1912174), (11, 1738340), (20, 956087), (22, 869170), (23, 831380), (44, 434585), (46, 415690), (55, 347668), (92, 207845), (110, 173834), (115, 166276), (220, 86917), (230, 83138), (253, 75580), (460, 41569), (506, 37790), (1012, 18895), (1265, 15116), (2530, 7558), (3779, 5060)]