18480996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31969404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 659, 684, 738, 779, 1318, 1476, 1558, 1977, 2337, 2636, 3116, 3954, 4674, 5931, 7011, 7908, 9348, 11862, 12521, 14022, 23724, 25042, 27019, 28044, 37563, 50084, 54038, 75126, 81057, 108076, 112689, 150252, 162114, 225378, 243171, 324228, 450756, 486342, 513361, 972684, 1026722, 1540083, 2053444, 3080166, 4620249, 6160332, 9240498, 18480996]

約数ペア:

[(1, 18480996), (2, 9240498), (3, 6160332), (4, 4620249), (6, 3080166), (9, 2053444), (12, 1540083), (18, 1026722), (19, 972684), (36, 513361), (38, 486342), (41, 450756), (57, 324228), (76, 243171), (82, 225378), (114, 162114), (123, 150252), (164, 112689), (171, 108076), (228, 81057), (246, 75126), (342, 54038), (369, 50084), (492, 37563), (659, 28044), (684, 27019), (738, 25042), (779, 23724), (1318, 14022), (1476, 12521), (1558, 11862), (1977, 9348), (2337, 7908), (2636, 7011), (3116, 5931), (3954, 4674)]