19601940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{853}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 55093248

約数和(自身を除く): 35491308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 853, 1149, 1532, 1706, 1915, 2298, 2559, 3412, 3830, 4265, 4596, 5118, 5745, 7660, 8530, 10236, 11490, 12795, 17060, 22980, 25590, 51180, 326699, 653398, 980097, 1306796, 1633495, 1960194, 3266990, 3920388, 4900485, 6533980, 9800970, 19601940]

約数ペア:

[(1, 19601940), (2, 9800970), (3, 6533980), (4, 4900485), (5, 3920388), (6, 3266990), (10, 1960194), (12, 1633495), (15, 1306796), (20, 980097), (30, 653398), (60, 326699), (383, 51180), (766, 25590), (853, 22980), (1149, 17060), (1532, 12795), (1706, 11490), (1915, 10236), (2298, 8530), (2559, 7660), (3412, 5745), (3830, 5118), (4265, 4596)]