18469638148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1\times {\mathrm{4451}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 35078198400

約数和(自身を除く): 16608560252

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 401, 796, 802, 1604, 2587, 4451, 5174, 5213, 8902, 10348, 10426, 17804, 20852, 57863, 79799, 115726, 159598, 231452, 319196, 885749, 1037387, 1771498, 1784851, 2074774, 3542996, 3569702, 4149548, 7139404, 11514737, 23029474, 23203063, 46058948, 46406126, 92812252, 355185349, 710370698, 1420741396, 4617409537, 9234819074, 18469638148]

約数ペア:

[(1, 18469638148), (2, 9234819074), (4, 4617409537), (13, 1420741396), (26, 710370698), (52, 355185349), (199, 92812252), (398, 46406126), (401, 46058948), (796, 23203063), (802, 23029474), (1604, 11514737), (2587, 7139404), (4451, 4149548), (5174, 3569702), (5213, 3542996), (8902, 2074774), (10348, 1784851), (10426, 1771498), (17804, 1037387), (20852, 885749), (57863, 319196), (79799, 231452), (115726, 159598)]