19009846436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{222379}}^1$

素因数の和:222504

約数の個数: 48

約数和(自身を含む): 39451991040

約数和(自身を除く): 20442144604

約数列:

[1, 2, 4, 7, 14, 28, 43, 71, 86, 142, 172, 284, 301, 497, 602, 994, 1204, 1988, 3053, 6106, 12212, 21371, 42742, 85484, 222379, 444758, 889516, 1556653, 3113306, 6226612, 9562297, 15788909, 19124594, 31577818, 38249188, 63155636, 66936079, 110522363, 133872158, 221044726, 267744316, 442089452, 678923087, 1357846174, 2715692348, 4752461609, 9504923218, 19009846436]

約数ペア:

[(1, 19009846436), (2, 9504923218), (4, 4752461609), (7, 2715692348), (14, 1357846174), (28, 678923087), (43, 442089452), (71, 267744316), (86, 221044726), (142, 133872158), (172, 110522363), (284, 66936079), (301, 63155636), (497, 38249188), (602, 31577818), (994, 19124594), (1204, 15788909), (1988, 9562297), (3053, 6226612), (6106, 3113306), (12212, 1556653), (21371, 889516), (42742, 444758), (85484, 222379)]