18698080

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5081}}^1$

素因数の和:5119

約数の個数: 48

約数和(自身を含む): 46103904

約数和(自身を除く): 27405824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5081, 10162, 20324, 25405, 40648, 50810, 81296, 101620, 116863, 162592, 203240, 233726, 406480, 467452, 584315, 812960, 934904, 1168630, 1869808, 2337260, 3739616, 4674520, 9349040, 18698080]

約数ペア:

[(1, 18698080), (2, 9349040), (4, 4674520), (5, 3739616), (8, 2337260), (10, 1869808), (16, 1168630), (20, 934904), (23, 812960), (32, 584315), (40, 467452), (46, 406480), (80, 233726), (92, 203240), (115, 162592), (160, 116863), (184, 101620), (230, 81296), (368, 50810), (460, 40648), (736, 25405), (920, 20324), (1840, 10162), (3680, 5081)]