19438.000000

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1086016

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 179, 208, 286, 352, 358, 416, 572, 716, 1144, 1432, 1969, 2288, 2327, 2864, 3938, 4576, 4654, 5728, 7876, 9308, 15752, 18616, 25597, 31504, 37232, 51194, 63008, 74464, 102388, 204776, 409552, 819104]

約数ペア:

[(1, 819104), (2, 409552), (4, 204776), (8, 102388), (11, 74464), (13, 63008), (16, 51194), (22, 37232), (26, 31504), (32, 25597), (44, 18616), (52, 15752), (88, 9308), (104, 7876), (143, 5728), (176, 4654), (179, 4576), (208, 3938), (286, 2864), (352, 2327), (358, 2288), (416, 1969), (572, 1432), (716, 1144)]