19958112

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 108

約数和(自身を含む): 59783724

約数和(自身を除く): 39825612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 131, 138, 144, 184, 207, 262, 276, 288, 368, 393, 414, 524, 529, 552, 736, 786, 828, 1048, 1058, 1104, 1179, 1572, 1587, 1656, 2096, 2116, 2208, 2358, 3013, 3144, 3174, 3312, 4192, 4232, 4716, 4761, 6026, 6288, 6348, 6624, 8464, 9039, 9432, 9522, 12052, 12576, 12696, 16928, 18078, 18864, 19044, 24104, 25392, 27117, 36156, 37728, 38088, 48208, 50784, 54234, 69299, 72312, 76176, 96416, 108468, 138598, 144624, 152352, 207897, 216936, 277196, 289248, 415794, 433872, 554392, 623691, 831588, 867744, 1108784, 1247382, 1663176, 2217568, 2494764, 3326352, 4989528, 6652704, 9979056, 19958112]

約数ペア:

[(1, 19958112), (2, 9979056), (3, 6652704), (4, 4989528), (6, 3326352), (8, 2494764), (9, 2217568), (12, 1663176), (16, 1247382), (18, 1108784), (23, 867744), (24, 831588), (32, 623691), (36, 554392), (46, 433872), (48, 415794), (69, 289248), (72, 277196), (92, 216936), (96, 207897), (131, 152352), (138, 144624), (144, 138598), (184, 108468), (207, 96416), (262, 76176), (276, 72312), (288, 69299), (368, 54234), (393, 50784), (414, 48208), (524, 38088), (529, 37728), (552, 36156), (736, 27117), (786, 25392), (828, 24104), (1048, 19044), (1058, 18864), (1104, 18078), (1179, 16928), (1572, 12696), (1587, 12576), (1656, 12052), (2096, 9522), (2116, 9432), (2208, 9039), (2358, 8464), (3013, 6624), (3144, 6348), (3174, 6288), (3312, 6026), (4192, 4761), (4232, 4716)]