19357416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20681}}^1$

素因数の和:20706

約数の個数: 48

約数和(自身を含む): 56461860

約数和(自身を除く): 37104444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20681, 41362, 62043, 82724, 124086, 165448, 186129, 248172, 268853, 372258, 496344, 537706, 744516, 806559, 1075412, 1489032, 1613118, 2150824, 2419677, 3226236, 4839354, 6452472, 9678708, 19357416]

約数ペア:

[(1, 19357416), (2, 9678708), (3, 6452472), (4, 4839354), (6, 3226236), (8, 2419677), (9, 2150824), (12, 1613118), (13, 1489032), (18, 1075412), (24, 806559), (26, 744516), (36, 537706), (39, 496344), (52, 372258), (72, 268853), (78, 248172), (104, 186129), (117, 165448), (156, 124086), (234, 82724), (312, 62043), (468, 41362), (936, 20681)]