18969816

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30018984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 89, 107, 166, 178, 214, 249, 267, 321, 332, 356, 428, 498, 534, 642, 664, 712, 856, 996, 1068, 1284, 1992, 2136, 2568, 7387, 8881, 9523, 14774, 17762, 19046, 22161, 26643, 28569, 29548, 35524, 38092, 44322, 53286, 57138, 59096, 71048, 76184, 88644, 106572, 114276, 177288, 213144, 228552, 790409, 1580818, 2371227, 3161636, 4742454, 6323272, 9484908, 18969816]

約数ペア:

[(1, 18969816), (2, 9484908), (3, 6323272), (4, 4742454), (6, 3161636), (8, 2371227), (12, 1580818), (24, 790409), (83, 228552), (89, 213144), (107, 177288), (166, 114276), (178, 106572), (214, 88644), (249, 76184), (267, 71048), (321, 59096), (332, 57138), (356, 53286), (428, 44322), (498, 38092), (534, 35524), (642, 29548), (664, 28569), (712, 26643), (856, 22161), (996, 19046), (1068, 17762), (1284, 14774), (1992, 9523), (2136, 8881), (2568, 7387)]