19338128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20034352

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 587, 1136, 1174, 2059, 2348, 4118, 4696, 8236, 9392, 16472, 17023, 32944, 34046, 41677, 68092, 83354, 136184, 166708, 272368, 333416, 666832, 1208633, 2417266, 4834532, 9669064, 19338128]

約数ペア:

[(1, 19338128), (2, 9669064), (4, 4834532), (8, 2417266), (16, 1208633), (29, 666832), (58, 333416), (71, 272368), (116, 166708), (142, 136184), (232, 83354), (284, 68092), (464, 41677), (568, 34046), (587, 32944), (1136, 17023), (1174, 16472), (2059, 9392), (2348, 8236), (4118, 4696)]