18959892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1$

素因数の和:1868

約数の個数: 48

約数和(自身を含む): 50975232

約数和(自身を除く): 32015340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1723, 1834, 2751, 3446, 3668, 5169, 5502, 6892, 10338, 11004, 12061, 20676, 24122, 36183, 48244, 72366, 144732, 225713, 451426, 677139, 902852, 1354278, 1579991, 2708556, 3159982, 4739973, 6319964, 9479946, 18959892]

約数ペア:

[(1, 18959892), (2, 9479946), (3, 6319964), (4, 4739973), (6, 3159982), (7, 2708556), (12, 1579991), (14, 1354278), (21, 902852), (28, 677139), (42, 451426), (84, 225713), (131, 144732), (262, 72366), (393, 48244), (524, 36183), (786, 24122), (917, 20676), (1572, 12061), (1723, 11004), (1834, 10338), (2751, 6892), (3446, 5502), (3668, 5169)]