19516880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10607}}^1$

素因数の和:10643

約数の個数: 40

約数和(自身を含む): 47354112

約数和(自身を除く): 27837232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10607, 21214, 42428, 53035, 84856, 106070, 169712, 212140, 243961, 424280, 487922, 848560, 975844, 1219805, 1951688, 2439610, 3903376, 4879220, 9758440, 19516880]

約数ペア:

[(1, 19516880), (2, 9758440), (4, 4879220), (5, 3903376), (8, 2439610), (10, 1951688), (16, 1219805), (20, 975844), (23, 848560), (40, 487922), (46, 424280), (80, 243961), (92, 212140), (115, 169712), (184, 106070), (230, 84856), (368, 53035), (460, 42428), (920, 21214), (1840, 10607)]