19806384

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31741}}^1$

素因数の和:31765

約数の個数: 40

約数和(自身を含む): 55104112

約数和(自身を除く): 35297728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31741, 63482, 95223, 126964, 190446, 253928, 380892, 412633, 507856, 761784, 825266, 1237899, 1523568, 1650532, 2475798, 3301064, 4951596, 6602128, 9903192, 19806384]

約数ペア:

[(1, 19806384), (2, 9903192), (3, 6602128), (4, 4951596), (6, 3301064), (8, 2475798), (12, 1650532), (13, 1523568), (16, 1237899), (24, 825266), (26, 761784), (39, 507856), (48, 412633), (52, 380892), (78, 253928), (104, 190446), (156, 126964), (208, 95223), (312, 63482), (624, 31741)]