18477510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 28662330

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 61, 69, 115, 122, 138, 183, 230, 305, 345, 366, 439, 610, 690, 878, 915, 1317, 1403, 1830, 2195, 2634, 2806, 4209, 4390, 6585, 7015, 8418, 10097, 13170, 14030, 20194, 21045, 26779, 30291, 42090, 50485, 53558, 60582, 80337, 100970, 133895, 151455, 160674, 267790, 302910, 401685, 615917, 803370, 1231834, 1847751, 3079585, 3695502, 6159170, 9238755, 18477510]

約数ペア:

[(1, 18477510), (2, 9238755), (3, 6159170), (5, 3695502), (6, 3079585), (10, 1847751), (15, 1231834), (23, 803370), (30, 615917), (46, 401685), (61, 302910), (69, 267790), (115, 160674), (122, 151455), (138, 133895), (183, 100970), (230, 80337), (305, 60582), (345, 53558), (366, 50485), (439, 42090), (610, 30291), (690, 26779), (878, 21045), (915, 20194), (1317, 14030), (1403, 13170), (1830, 10097), (2195, 8418), (2634, 7015), (2806, 6585), (4209, 4390)]