17995952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19814128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 359, 482, 718, 964, 1436, 1928, 2872, 3133, 3856, 4667, 5744, 6266, 9334, 12532, 18668, 25064, 37336, 50128, 74672, 86519, 173038, 346076, 692152, 1124747, 1384304, 2249494, 4498988, 8997976, 17995952]

約数ペア:

[(1, 17995952), (2, 8997976), (4, 4498988), (8, 2249494), (13, 1384304), (16, 1124747), (26, 692152), (52, 346076), (104, 173038), (208, 86519), (241, 74672), (359, 50128), (482, 37336), (718, 25064), (964, 18668), (1436, 12532), (1928, 9334), (2872, 6266), (3133, 5744), (3856, 4667)]