18052240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9811}}^1$

素因数の和:9847

約数の個数: 40

約数和(自身を含む): 43800768

約数和(自身を除く): 25748528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9811, 19622, 39244, 49055, 78488, 98110, 156976, 196220, 225653, 392440, 451306, 784880, 902612, 1128265, 1805224, 2256530, 3610448, 4513060, 9026120, 18052240]

約数ペア:

[(1, 18052240), (2, 9026120), (4, 4513060), (5, 3610448), (8, 2256530), (10, 1805224), (16, 1128265), (20, 902612), (23, 784880), (40, 451306), (46, 392440), (80, 225653), (92, 196220), (115, 156976), (184, 98110), (230, 78488), (368, 49055), (460, 39244), (920, 19622), (1840, 9811)]