19605480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 59184000

約数和(自身を除く): 39578520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 821, 995, 1194, 1592, 1642, 1990, 2388, 2463, 2985, 3284, 3980, 4105, 4776, 4926, 5970, 6568, 7960, 8210, 9852, 11940, 12315, 16420, 19704, 23880, 24630, 32840, 49260, 98520, 163379, 326758, 490137, 653516, 816895, 980274, 1307032, 1633790, 1960548, 2450685, 3267580, 3921096, 4901370, 6535160, 9802740, 19605480]

約数ペア:

[(1, 19605480), (2, 9802740), (3, 6535160), (4, 4901370), (5, 3921096), (6, 3267580), (8, 2450685), (10, 1960548), (12, 1633790), (15, 1307032), (20, 980274), (24, 816895), (30, 653516), (40, 490137), (60, 326758), (120, 163379), (199, 98520), (398, 49260), (597, 32840), (796, 24630), (821, 23880), (995, 19704), (1194, 16420), (1592, 12315), (1642, 11940), (1990, 9852), (2388, 8210), (2463, 7960), (2985, 6568), (3284, 5970), (3980, 4926), (4105, 4776)]