18805384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2569

約数の個数: 32

約数和(自身を含む): 38508120

約数和(自身を除く): 19702736

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2477, 3796, 4954, 7592, 9908, 19816, 32201, 64402, 128804, 180821, 257608, 361642, 723284, 1446568, 2350673, 4701346, 9402692, 18805384]

約数ペア:

[(1, 18805384), (2, 9402692), (4, 4701346), (8, 2350673), (13, 1446568), (26, 723284), (52, 361642), (73, 257608), (104, 180821), (146, 128804), (292, 64402), (584, 32201), (949, 19816), (1898, 9908), (2477, 7592), (3796, 4954)]