19706752

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{911}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 42558480

約数和(自身を除く): 22851728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 911, 1352, 1664, 1822, 2704, 3644, 5408, 7288, 10816, 11843, 14576, 21632, 23686, 29152, 47372, 58304, 94744, 116608, 153959, 189488, 307918, 378976, 615836, 757952, 1231672, 1515904, 2463344, 4926688, 9853376, 19706752]

約数ペア:

[(1, 19706752), (2, 9853376), (4, 4926688), (8, 2463344), (13, 1515904), (16, 1231672), (26, 757952), (32, 615836), (52, 378976), (64, 307918), (104, 189488), (128, 153959), (169, 116608), (208, 94744), (338, 58304), (416, 47372), (676, 29152), (832, 23686), (911, 21632), (1352, 14576), (1664, 11843), (1822, 10816), (2704, 7288), (3644, 5408)]