19867456

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:807

約数の個数: 56

約数和(自身を含む): 45858176

約数和(自身を除く): 25990720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 727, 854, 976, 1454, 1708, 1952, 2908, 3416, 3904, 5089, 5816, 6832, 10178, 11632, 13664, 20356, 23264, 27328, 40712, 44347, 46528, 81424, 88694, 162848, 177388, 310429, 325696, 354776, 620858, 709552, 1241716, 1419104, 2483432, 2838208, 4966864, 9933728, 19867456]

約数ペア:

[(1, 19867456), (2, 9933728), (4, 4966864), (7, 2838208), (8, 2483432), (14, 1419104), (16, 1241716), (28, 709552), (32, 620858), (56, 354776), (61, 325696), (64, 310429), (112, 177388), (122, 162848), (224, 88694), (244, 81424), (427, 46528), (448, 44347), (488, 40712), (727, 27328), (854, 23264), (976, 20356), (1454, 13664), (1708, 11632), (1952, 10178), (2908, 6832), (3416, 5816), (3904, 5089)]