16500968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 19787032

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 139, 142, 152, 209, 278, 284, 418, 556, 568, 781, 836, 1112, 1349, 1529, 1562, 1672, 2641, 2698, 3058, 3124, 5282, 5396, 6116, 6248, 9869, 10564, 10792, 12232, 14839, 19738, 21128, 29051, 29678, 39476, 58102, 59356, 78952, 108559, 116204, 118712, 187511, 217118, 232408, 375022, 434236, 750044, 868472, 1500088, 2062621, 4125242, 8250484, 16500968]

約数ペア:

[(1, 16500968), (2, 8250484), (4, 4125242), (8, 2062621), (11, 1500088), (19, 868472), (22, 750044), (38, 434236), (44, 375022), (71, 232408), (76, 217118), (88, 187511), (139, 118712), (142, 116204), (152, 108559), (209, 78952), (278, 59356), (284, 58102), (418, 39476), (556, 29678), (568, 29051), (781, 21128), (836, 19738), (1112, 14839), (1349, 12232), (1529, 10792), (1562, 10564), (1672, 9869), (2641, 6248), (2698, 6116), (3058, 5396), (3124, 5282)]