18505584

素因数分解:

$2^4\times 3^4\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 100

約数和(自身を含む): 54464520

約数和(自身を除く): 35958936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 109, 131, 144, 162, 216, 218, 262, 324, 327, 393, 432, 436, 524, 648, 654, 786, 872, 981, 1048, 1179, 1296, 1308, 1572, 1744, 1962, 2096, 2358, 2616, 2943, 3144, 3537, 3924, 4716, 5232, 5886, 6288, 7074, 7848, 8829, 9432, 10611, 11772, 14148, 14279, 15696, 17658, 18864, 21222, 23544, 28296, 28558, 35316, 42444, 42837, 47088, 56592, 57116, 70632, 84888, 85674, 114232, 128511, 141264, 169776, 171348, 228464, 257022, 342696, 385533, 514044, 685392, 771066, 1028088, 1156599, 1542132, 2056176, 2313198, 3084264, 4626396, 6168528, 9252792, 18505584]

約数ペア:

[(1, 18505584), (2, 9252792), (3, 6168528), (4, 4626396), (6, 3084264), (8, 2313198), (9, 2056176), (12, 1542132), (16, 1156599), (18, 1028088), (24, 771066), (27, 685392), (36, 514044), (48, 385533), (54, 342696), (72, 257022), (81, 228464), (108, 171348), (109, 169776), (131, 141264), (144, 128511), (162, 114232), (216, 85674), (218, 84888), (262, 70632), (324, 57116), (327, 56592), (393, 47088), (432, 42837), (436, 42444), (524, 35316), (648, 28558), (654, 28296), (786, 23544), (872, 21222), (981, 18864), (1048, 17658), (1179, 15696), (1296, 14279), (1308, 14148), (1572, 11772), (1744, 10611), (1962, 9432), (2096, 8829), (2358, 7848), (2616, 7074), (2943, 6288), (3144, 5886), (3537, 5232), (3924, 4716)]