19739616

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15817}}^1$

素因数の和:15843

約数の個数: 48

約数和(自身を含む): 55805904

約数和(自身を除く): 36066288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15817, 31634, 47451, 63268, 94902, 126536, 189804, 205621, 253072, 379608, 411242, 506144, 616863, 759216, 822484, 1233726, 1518432, 1644968, 2467452, 3289936, 4934904, 6579872, 9869808, 19739616]

約数ペア:

[(1, 19739616), (2, 9869808), (3, 6579872), (4, 4934904), (6, 3289936), (8, 2467452), (12, 1644968), (13, 1518432), (16, 1233726), (24, 822484), (26, 759216), (32, 616863), (39, 506144), (48, 411242), (52, 379608), (78, 253072), (96, 205621), (104, 189804), (156, 126536), (208, 94902), (312, 63268), (416, 47451), (624, 31634), (1248, 15817)]