18239004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 53141088

約数和(自身を除く): 34902084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 461, 471, 628, 922, 942, 1099, 1383, 1413, 1844, 1884, 2198, 2766, 2826, 3227, 3297, 4149, 4396, 5532, 5652, 6454, 6594, 8298, 9681, 9891, 12908, 13188, 16596, 19362, 19782, 29043, 38724, 39564, 58086, 72377, 116172, 144754, 217131, 289508, 434262, 506639, 651393, 868524, 1013278, 1302786, 1519917, 2026556, 2605572, 3039834, 4559751, 6079668, 9119502, 18239004]

約数ペア:

[(1, 18239004), (2, 9119502), (3, 6079668), (4, 4559751), (6, 3039834), (7, 2605572), (9, 2026556), (12, 1519917), (14, 1302786), (18, 1013278), (21, 868524), (28, 651393), (36, 506639), (42, 434262), (63, 289508), (84, 217131), (126, 144754), (157, 116172), (252, 72377), (314, 58086), (461, 39564), (471, 38724), (628, 29043), (922, 19782), (942, 19362), (1099, 16596), (1383, 13188), (1413, 12908), (1844, 9891), (1884, 9681), (2198, 8298), (2766, 6594), (2826, 6454), (3227, 5652), (3297, 5532), (4149, 4396)]