17971188

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 46452000

約数和(自身を除く): 28480812

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 149, 228, 276, 298, 437, 447, 529, 596, 874, 894, 1058, 1311, 1587, 1748, 1788, 2116, 2622, 2831, 3174, 3427, 5244, 5662, 6348, 6854, 8493, 10051, 10281, 11324, 13708, 16986, 20102, 20562, 30153, 33972, 40204, 41124, 60306, 65113, 78821, 120612, 130226, 157642, 195339, 236463, 260452, 315284, 390678, 472926, 781356, 945852, 1497599, 2995198, 4492797, 5990396, 8985594, 17971188]

約数ペア:

[(1, 17971188), (2, 8985594), (3, 5990396), (4, 4492797), (6, 2995198), (12, 1497599), (19, 945852), (23, 781356), (38, 472926), (46, 390678), (57, 315284), (69, 260452), (76, 236463), (92, 195339), (114, 157642), (138, 130226), (149, 120612), (228, 78821), (276, 65113), (298, 60306), (437, 41124), (447, 40204), (529, 33972), (596, 30153), (874, 20562), (894, 20102), (1058, 16986), (1311, 13708), (1587, 11324), (1748, 10281), (1788, 10051), (2116, 8493), (2622, 6854), (2831, 6348), (3174, 5662), (3427, 5244)]