19805460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 58084992

約数和(自身を除く): 38279532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 83, 97, 123, 164, 166, 194, 205, 246, 249, 291, 332, 388, 410, 415, 485, 492, 498, 582, 615, 820, 830, 970, 996, 1164, 1230, 1245, 1455, 1660, 1940, 2460, 2490, 2910, 3403, 3977, 4980, 5820, 6806, 7954, 8051, 10209, 11931, 13612, 15908, 16102, 17015, 19885, 20418, 23862, 24153, 32204, 34030, 39770, 40255, 40836, 47724, 48306, 51045, 59655, 68060, 79540, 80510, 96612, 102090, 119310, 120765, 161020, 204180, 238620, 241530, 330091, 483060, 660182, 990273, 1320364, 1650455, 1980546, 3300910, 3961092, 4951365, 6601820, 9902730, 19805460]

約数ペア:

[(1, 19805460), (2, 9902730), (3, 6601820), (4, 4951365), (5, 3961092), (6, 3300910), (10, 1980546), (12, 1650455), (15, 1320364), (20, 990273), (30, 660182), (41, 483060), (60, 330091), (82, 241530), (83, 238620), (97, 204180), (123, 161020), (164, 120765), (166, 119310), (194, 102090), (205, 96612), (246, 80510), (249, 79540), (291, 68060), (332, 59655), (388, 51045), (410, 48306), (415, 47724), (485, 40836), (492, 40255), (498, 39770), (582, 34030), (615, 32204), (820, 24153), (830, 23862), (970, 20418), (996, 19885), (1164, 17015), (1230, 16102), (1245, 15908), (1455, 13612), (1660, 11931), (1940, 10209), (2460, 8051), (2490, 7954), (2910, 6806), (3403, 5820), (3977, 4980)]