18747660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7621}}^1$

素因数の和:7674

約数の個数: 48

約数和(自身を含む): 53780832

約数和(自身を除く): 35033172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7621, 15242, 22863, 30484, 38105, 45726, 76210, 91452, 114315, 152420, 228630, 312461, 457260, 624922, 937383, 1249844, 1562305, 1874766, 3124610, 3749532, 4686915, 6249220, 9373830, 18747660]

約数ペア:

[(1, 18747660), (2, 9373830), (3, 6249220), (4, 4686915), (5, 3749532), (6, 3124610), (10, 1874766), (12, 1562305), (15, 1249844), (20, 937383), (30, 624922), (41, 457260), (60, 312461), (82, 228630), (123, 152420), (164, 114315), (205, 91452), (246, 76210), (410, 45726), (492, 38105), (615, 30484), (820, 22863), (1230, 15242), (2460, 7621)]