19839380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 46932480

約数和(自身を除く): 27093100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2909, 3410, 5818, 6820, 11636, 14545, 29090, 31999, 58180, 63998, 90179, 127996, 159995, 180358, 319990, 360716, 450895, 639980, 901790, 991969, 1803580, 1983938, 3967876, 4959845, 9919690, 19839380]

約数ペア:

[(1, 19839380), (2, 9919690), (4, 4959845), (5, 3967876), (10, 1983938), (11, 1803580), (20, 991969), (22, 901790), (31, 639980), (44, 450895), (55, 360716), (62, 319990), (110, 180358), (124, 159995), (155, 127996), (220, 90179), (310, 63998), (341, 58180), (620, 31999), (682, 29090), (1364, 14545), (1705, 11636), (2909, 6820), (3410, 5818)]