19208540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5683}}^1$

素因数の和:5718

約数の個数: 36

約数和(自身を含む): 43687224

約数和(自身を除く): 24478684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5683, 11366, 22732, 28415, 56830, 73879, 113660, 147758, 295516, 369395, 738790, 960427, 1477580, 1920854, 3841708, 4802135, 9604270, 19208540]

約数ペア:

[(1, 19208540), (2, 9604270), (4, 4802135), (5, 3841708), (10, 1920854), (13, 1477580), (20, 960427), (26, 738790), (52, 369395), (65, 295516), (130, 147758), (169, 113660), (260, 73879), (338, 56830), (676, 28415), (845, 22732), (1690, 11366), (3380, 5683)]