18814716

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 32369508

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 433, 612, 639, 852, 866, 1207, 1278, 1299, 1732, 2414, 2556, 2598, 3621, 3897, 4828, 5196, 7242, 7361, 7794, 10863, 14484, 14722, 15588, 21726, 22083, 29444, 30743, 43452, 44166, 61486, 66249, 88332, 92229, 122972, 132498, 184458, 264996, 276687, 368916, 522631, 553374, 1045262, 1106748, 1567893, 2090524, 3135786, 4703679, 6271572, 9407358, 18814716]

約数ペア:

[(1, 18814716), (2, 9407358), (3, 6271572), (4, 4703679), (6, 3135786), (9, 2090524), (12, 1567893), (17, 1106748), (18, 1045262), (34, 553374), (36, 522631), (51, 368916), (68, 276687), (71, 264996), (102, 184458), (142, 132498), (153, 122972), (204, 92229), (213, 88332), (284, 66249), (306, 61486), (426, 44166), (433, 43452), (612, 30743), (639, 29444), (852, 22083), (866, 21726), (1207, 15588), (1278, 14722), (1299, 14484), (1732, 10863), (2414, 7794), (2556, 7361), (2598, 7242), (3621, 5196), (3897, 4828)]