18548560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12203}}^1$

素因数の和:12235

約数の個数: 40

約数和(自身を含む): 45398880

約数和(自身を除く): 26850320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12203, 24406, 48812, 61015, 97624, 122030, 195248, 231857, 244060, 463714, 488120, 927428, 976240, 1159285, 1854856, 2318570, 3709712, 4637140, 9274280, 18548560]

約数ペア:

[(1, 18548560), (2, 9274280), (4, 4637140), (5, 3709712), (8, 2318570), (10, 1854856), (16, 1159285), (19, 976240), (20, 927428), (38, 488120), (40, 463714), (76, 244060), (80, 231857), (95, 195248), (152, 122030), (190, 97624), (304, 61015), (380, 48812), (760, 24406), (1520, 12203)]