19788076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 44255232

約数和(自身を除く): 24467156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1567, 1804, 3134, 3157, 6268, 6314, 10969, 12628, 17237, 21938, 34474, 43876, 64247, 68948, 120659, 128494, 241318, 256988, 449729, 482636, 706717, 899458, 1413434, 1798916, 2826868, 4947019, 9894038, 19788076]

約数ペア:

[(1, 19788076), (2, 9894038), (4, 4947019), (7, 2826868), (11, 1798916), (14, 1413434), (22, 899458), (28, 706717), (41, 482636), (44, 449729), (77, 256988), (82, 241318), (154, 128494), (164, 120659), (287, 68948), (308, 64247), (451, 43876), (574, 34474), (902, 21938), (1148, 17237), (1567, 12628), (1804, 10969), (3134, 6314), (3157, 6268)]