19009256

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 42107040

約数和(自身を除く): 23097784

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 683, 994, 1366, 1988, 2732, 3479, 3976, 4781, 5464, 6958, 9562, 13916, 19124, 27832, 33467, 38248, 48493, 66934, 96986, 133868, 193972, 267736, 339451, 387944, 678902, 1357804, 2376157, 2715608, 4752314, 9504628, 19009256]

約数ペア:

[(1, 19009256), (2, 9504628), (4, 4752314), (7, 2715608), (8, 2376157), (14, 1357804), (28, 678902), (49, 387944), (56, 339451), (71, 267736), (98, 193972), (142, 133868), (196, 96986), (284, 66934), (392, 48493), (497, 38248), (568, 33467), (683, 27832), (994, 19124), (1366, 13916), (1988, 9562), (2732, 6958), (3479, 5464), (3976, 4781)]