18723816

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13687}}^1$

素因数の和:13718

約数の個数: 48

約数和(自身を含む): 53383200

約数和(自身を除く): 34659384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13687, 27374, 41061, 54748, 82122, 109496, 123183, 164244, 246366, 260053, 328488, 492732, 520106, 780159, 985464, 1040212, 1560318, 2080424, 2340477, 3120636, 4680954, 6241272, 9361908, 18723816]

約数ペア:

[(1, 18723816), (2, 9361908), (3, 6241272), (4, 4680954), (6, 3120636), (8, 2340477), (9, 2080424), (12, 1560318), (18, 1040212), (19, 985464), (24, 780159), (36, 520106), (38, 492732), (57, 328488), (72, 260053), (76, 246366), (114, 164244), (152, 123183), (171, 109496), (228, 82122), (342, 54748), (456, 41061), (684, 27374), (1368, 13687)]