18544552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 39842460

約数和(自身を除く): 21297908

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 617, 884, 1156, 1234, 1768, 2312, 2468, 3757, 4936, 7514, 8021, 10489, 15028, 16042, 20978, 30056, 32084, 41956, 64168, 83912, 136357, 178313, 272714, 356626, 545428, 713252, 1090856, 1426504, 2318069, 4636138, 9272276, 18544552]

約数ペア:

[(1, 18544552), (2, 9272276), (4, 4636138), (8, 2318069), (13, 1426504), (17, 1090856), (26, 713252), (34, 545428), (52, 356626), (68, 272714), (104, 178313), (136, 136357), (221, 83912), (289, 64168), (442, 41956), (578, 32084), (617, 30056), (884, 20978), (1156, 16042), (1234, 15028), (1768, 10489), (2312, 8021), (2468, 7514), (3757, 4936)]