18739986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 20606574

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 229, 458, 593, 687, 1186, 1374, 1779, 3558, 5267, 10534, 13639, 15801, 27278, 31602, 40917, 81834, 135797, 271594, 407391, 814782, 3123331, 6246662, 9369993, 18739986]

約数ペア:

[(1, 18739986), (2, 9369993), (3, 6246662), (6, 3123331), (23, 814782), (46, 407391), (69, 271594), (138, 135797), (229, 81834), (458, 40917), (593, 31602), (687, 27278), (1186, 15801), (1374, 13639), (1779, 10534), (3558, 5267)]