31511196

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 87534720

約数和(自身を除く): 56023524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 2003, 2622, 3933, 4006, 5244, 6009, 7866, 8012, 12018, 15732, 18027, 24036, 36054, 38057, 46069, 72108, 76114, 92138, 114171, 138207, 152228, 184276, 228342, 276414, 342513, 414621, 456684, 552828, 685026, 829242, 875311, 1370052, 1658484, 1750622, 2625933, 3501244, 5251866, 7877799, 10503732, 15755598, 31511196]

約数ペア:

[(1, 31511196), (2, 15755598), (3, 10503732), (4, 7877799), (6, 5251866), (9, 3501244), (12, 2625933), (18, 1750622), (19, 1658484), (23, 1370052), (36, 875311), (38, 829242), (46, 685026), (57, 552828), (69, 456684), (76, 414621), (92, 342513), (114, 276414), (138, 228342), (171, 184276), (207, 152228), (228, 138207), (276, 114171), (342, 92138), (414, 76114), (437, 72108), (684, 46069), (828, 38057), (874, 36054), (1311, 24036), (1748, 18027), (2003, 15732), (2622, 12018), (3933, 8012), (4006, 7866), (5244, 6009)]