19457640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54049}}^1$

素因数の和:54066

約数の個数: 48

約数和(自身を含む): 63238500

約数和(自身を除く): 43780860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54049, 108098, 162147, 216196, 270245, 324294, 432392, 486441, 540490, 648588, 810735, 972882, 1080980, 1297176, 1621470, 1945764, 2161960, 2432205, 3242940, 3891528, 4864410, 6485880, 9728820, 19457640]

約数ペア:

[(1, 19457640), (2, 9728820), (3, 6485880), (4, 4864410), (5, 3891528), (6, 3242940), (8, 2432205), (9, 2161960), (10, 1945764), (12, 1621470), (15, 1297176), (18, 1080980), (20, 972882), (24, 810735), (30, 648588), (36, 540490), (40, 486441), (45, 432392), (60, 324294), (72, 270245), (90, 216196), (120, 162147), (180, 108098), (360, 54049)]