17911986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21901134

約数列:

[1, 2, 3, 6, 23, 31, 46, 53, 62, 69, 79, 93, 106, 138, 158, 159, 186, 237, 318, 474, 713, 1219, 1426, 1643, 1817, 2139, 2438, 2449, 3286, 3634, 3657, 4187, 4278, 4898, 4929, 5451, 7314, 7347, 8374, 9858, 10902, 12561, 14694, 25122, 37789, 56327, 75578, 96301, 112654, 113367, 129797, 168981, 192602, 226734, 259594, 288903, 337962, 389391, 577806, 778782, 2985331, 5970662, 8955993, 17911986]

約数ペア:

[(1, 17911986), (2, 8955993), (3, 5970662), (6, 2985331), (23, 778782), (31, 577806), (46, 389391), (53, 337962), (62, 288903), (69, 259594), (79, 226734), (93, 192602), (106, 168981), (138, 129797), (158, 113367), (159, 112654), (186, 96301), (237, 75578), (318, 56327), (474, 37789), (713, 25122), (1219, 14694), (1426, 12561), (1643, 10902), (1817, 9858), (2139, 8374), (2438, 7347), (2449, 7314), (3286, 5451), (3634, 4929), (3657, 4898), (4187, 4278)]