19086340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10487}}^1$

素因数の和:10516

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 30249212

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10487, 20974, 41948, 52435, 73409, 104870, 136331, 146818, 209740, 272662, 293636, 367045, 545324, 681655, 734090, 954317, 1363310, 1468180, 1908634, 2726620, 3817268, 4771585, 9543170, 19086340]

約数ペア:

[(1, 19086340), (2, 9543170), (4, 4771585), (5, 3817268), (7, 2726620), (10, 1908634), (13, 1468180), (14, 1363310), (20, 954317), (26, 734090), (28, 681655), (35, 545324), (52, 367045), (65, 293636), (70, 272662), (91, 209740), (130, 146818), (140, 136331), (182, 104870), (260, 73409), (364, 52435), (455, 41948), (910, 20974), (1820, 10487)]