19439600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2154

約数の個数: 60

約数和(自身を含む): 48757296

約数和(自身を除く): 29317696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2113, 2300, 4226, 4600, 8452, 9200, 10565, 16904, 21130, 33808, 42260, 48599, 52825, 84520, 97198, 105650, 169040, 194396, 211300, 242995, 388792, 422600, 485990, 777584, 845200, 971980, 1214975, 1943960, 2429950, 3887920, 4859900, 9719800, 19439600]

約数ペア:

[(1, 19439600), (2, 9719800), (4, 4859900), (5, 3887920), (8, 2429950), (10, 1943960), (16, 1214975), (20, 971980), (23, 845200), (25, 777584), (40, 485990), (46, 422600), (50, 388792), (80, 242995), (92, 211300), (100, 194396), (115, 169040), (184, 105650), (200, 97198), (230, 84520), (368, 52825), (400, 48599), (460, 42260), (575, 33808), (920, 21130), (1150, 16904), (1840, 10565), (2113, 9200), (2300, 8452), (4226, 4600)]