19377040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10531}}^1$

素因数の和:10567

約数の個数: 40

約数和(自身を含む): 47014848

約数和(自身を除く): 27637808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10531, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 242213, 421240, 484426, 842480, 968852, 1211065, 1937704, 2422130, 3875408, 4844260, 9688520, 19377040]

約数ペア:

[(1, 19377040), (2, 9688520), (4, 4844260), (5, 3875408), (8, 2422130), (10, 1937704), (16, 1211065), (20, 968852), (23, 842480), (40, 484426), (46, 421240), (80, 242213), (92, 210620), (115, 168496), (184, 105310), (230, 84248), (368, 52655), (460, 42124), (920, 21062), (1840, 10531)]