19039280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18307}}^1$

素因数の和:18333

約数の個数: 40

約数和(自身を含む): 47674032

約数和(自身を除く): 28634752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18307, 36614, 73228, 91535, 146456, 183070, 237991, 292912, 366140, 475982, 732280, 951964, 1189955, 1464560, 1903928, 2379910, 3807856, 4759820, 9519640, 19039280]

約数ペア:

[(1, 19039280), (2, 9519640), (4, 4759820), (5, 3807856), (8, 2379910), (10, 1903928), (13, 1464560), (16, 1189955), (20, 951964), (26, 732280), (40, 475982), (52, 366140), (65, 292912), (80, 237991), (104, 183070), (130, 146456), (208, 91535), (260, 73228), (520, 36614), (1040, 18307)]