19987488

素因数分解:

$2^5\times 3^2\times {\mathrm{69401}}^1$

素因数の和:69417

約数の個数: 36

約数和(自身を含む): 56840238

約数和(自身を除く): 36852750

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 69401, 138802, 208203, 277604, 416406, 555208, 624609, 832812, 1110416, 1249218, 1665624, 2220832, 2498436, 3331248, 4996872, 6662496, 9993744, 19987488]

約数ペア:

[(1, 19987488), (2, 9993744), (3, 6662496), (4, 4996872), (6, 3331248), (8, 2498436), (9, 2220832), (12, 1665624), (16, 1249218), (18, 1110416), (24, 832812), (32, 624609), (36, 555208), (48, 416406), (72, 277604), (96, 208203), (144, 138802), (288, 69401)]