16505604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 44772000

約数和(自身を除く): 28266396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 409, 531, 684, 708, 818, 1062, 1121, 1227, 1636, 2124, 2242, 2454, 3363, 3681, 4484, 4908, 6726, 7362, 7771, 10089, 13452, 14724, 15542, 20178, 23313, 24131, 31084, 40356, 46626, 48262, 69939, 72393, 93252, 96524, 139878, 144786, 217179, 279756, 289572, 434358, 458489, 868716, 916978, 1375467, 1833956, 2750934, 4126401, 5501868, 8252802, 16505604]

約数ペア:

[(1, 16505604), (2, 8252802), (3, 5501868), (4, 4126401), (6, 2750934), (9, 1833956), (12, 1375467), (18, 916978), (19, 868716), (36, 458489), (38, 434358), (57, 289572), (59, 279756), (76, 217179), (114, 144786), (118, 139878), (171, 96524), (177, 93252), (228, 72393), (236, 69939), (342, 48262), (354, 46626), (409, 40356), (531, 31084), (684, 24131), (708, 23313), (818, 20178), (1062, 15542), (1121, 14724), (1227, 13452), (1636, 10089), (2124, 7771), (2242, 7362), (2454, 6726), (3363, 4908), (3681, 4484)]