18982590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 53996544

約数和(自身を除く): 35013954

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 41, 46, 55, 61, 66, 69, 82, 110, 115, 122, 123, 138, 165, 183, 205, 230, 246, 253, 305, 330, 345, 366, 410, 451, 506, 610, 615, 671, 690, 759, 902, 915, 943, 1230, 1265, 1342, 1353, 1403, 1518, 1830, 1886, 2013, 2255, 2501, 2530, 2706, 2806, 2829, 3355, 3795, 4026, 4209, 4510, 4715, 5002, 5658, 6710, 6765, 7015, 7503, 7590, 8418, 9430, 10065, 10373, 12505, 13530, 14030, 14145, 15006, 15433, 20130, 20746, 21045, 25010, 27511, 28290, 30866, 31119, 37515, 42090, 46299, 51865, 55022, 57523, 62238, 75030, 77165, 82533, 92598, 103730, 115046, 137555, 154330, 155595, 165066, 172569, 231495, 275110, 287615, 311190, 345138, 412665, 462990, 575230, 632753, 825330, 862845, 1265506, 1725690, 1898259, 3163765, 3796518, 6327530, 9491295, 18982590]

約数ペア:

[(1, 18982590), (2, 9491295), (3, 6327530), (5, 3796518), (6, 3163765), (10, 1898259), (11, 1725690), (15, 1265506), (22, 862845), (23, 825330), (30, 632753), (33, 575230), (41, 462990), (46, 412665), (55, 345138), (61, 311190), (66, 287615), (69, 275110), (82, 231495), (110, 172569), (115, 165066), (122, 155595), (123, 154330), (138, 137555), (165, 115046), (183, 103730), (205, 92598), (230, 82533), (246, 77165), (253, 75030), (305, 62238), (330, 57523), (345, 55022), (366, 51865), (410, 46299), (451, 42090), (506, 37515), (610, 31119), (615, 30866), (671, 28290), (690, 27511), (759, 25010), (902, 21045), (915, 20746), (943, 20130), (1230, 15433), (1265, 15006), (1342, 14145), (1353, 14030), (1403, 13530), (1518, 12505), (1830, 10373), (1886, 10065), (2013, 9430), (2255, 8418), (2501, 7590), (2530, 7503), (2706, 7015), (2806, 6765), (2829, 6710), (3355, 5658), (3795, 5002), (4026, 4715), (4209, 4510)]