18832840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36217}}^1$

素因数の和:36241

約数の個数: 32

約数和(自身を含む): 45634680

約数和(自身を除く): 26801840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36217, 72434, 144868, 181085, 289736, 362170, 470821, 724340, 941642, 1448680, 1883284, 2354105, 3766568, 4708210, 9416420, 18832840]

約数ペア:

[(1, 18832840), (2, 9416420), (4, 4708210), (5, 3766568), (8, 2354105), (10, 1883284), (13, 1448680), (20, 941642), (26, 724340), (40, 470821), (52, 362170), (65, 289736), (104, 181085), (130, 144868), (260, 72434), (520, 36217)]