19555770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 32263494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1223, 1230, 1599, 2446, 2665, 3198, 3669, 5330, 6115, 7338, 7995, 12230, 15899, 15990, 18345, 31798, 36690, 47697, 50143, 79495, 95394, 100286, 150429, 158990, 238485, 250715, 300858, 476970, 501430, 651859, 752145, 1303718, 1504290, 1955577, 3259295, 3911154, 6518590, 9777885, 19555770]

約数ペア:

[(1, 19555770), (2, 9777885), (3, 6518590), (5, 3911154), (6, 3259295), (10, 1955577), (13, 1504290), (15, 1303718), (26, 752145), (30, 651859), (39, 501430), (41, 476970), (65, 300858), (78, 250715), (82, 238485), (123, 158990), (130, 150429), (195, 100286), (205, 95394), (246, 79495), (390, 50143), (410, 47697), (533, 36690), (615, 31798), (1066, 18345), (1223, 15990), (1230, 15899), (1599, 12230), (2446, 7995), (2665, 7338), (3198, 6115), (3669, 5330)]