19722798

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 47232000

約数和(自身を除く): 27509202

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 282, 342, 409, 423, 513, 818, 846, 893, 1026, 1227, 1269, 1786, 2454, 2538, 2679, 3681, 5358, 7362, 7771, 8037, 11043, 15542, 16074, 19223, 22086, 23313, 24111, 38446, 46626, 48222, 57669, 69939, 115338, 139878, 173007, 209817, 346014, 365237, 419634, 519021, 730474, 1038042, 1095711, 2191422, 3287133, 6574266, 9861399, 19722798]

約数ペア:

[(1, 19722798), (2, 9861399), (3, 6574266), (6, 3287133), (9, 2191422), (18, 1095711), (19, 1038042), (27, 730474), (38, 519021), (47, 419634), (54, 365237), (57, 346014), (94, 209817), (114, 173007), (141, 139878), (171, 115338), (282, 69939), (342, 57669), (409, 48222), (423, 46626), (513, 38446), (818, 24111), (846, 23313), (893, 22086), (1026, 19223), (1227, 16074), (1269, 15542), (1786, 11043), (2454, 8037), (2538, 7771), (2679, 7362), (3681, 5358)]