18902320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10273}}^1$

素因数の和:10309

約数の個数: 40

約数和(自身を含む): 45863136

約数和(自身を除く): 26960816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10273, 20546, 41092, 51365, 82184, 102730, 164368, 205460, 236279, 410920, 472558, 821840, 945116, 1181395, 1890232, 2362790, 3780464, 4725580, 9451160, 18902320]

約数ペア:

[(1, 18902320), (2, 9451160), (4, 4725580), (5, 3780464), (8, 2362790), (10, 1890232), (16, 1181395), (20, 945116), (23, 821840), (40, 472558), (46, 410920), (80, 236279), (92, 205460), (115, 164368), (184, 102730), (230, 82184), (368, 51365), (460, 41092), (920, 20546), (1840, 10273)]