19434546

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 25873614

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 71, 74, 111, 137, 142, 213, 222, 274, 333, 411, 426, 639, 666, 822, 999, 1233, 1278, 1917, 1998, 2466, 2627, 3699, 3834, 5069, 5254, 7398, 7881, 9727, 10138, 15207, 15762, 19454, 23643, 29181, 30414, 45621, 47286, 58362, 70929, 87543, 91242, 136863, 141858, 175086, 262629, 273726, 359899, 525258, 719798, 1079697, 2159394, 3239091, 6478182, 9717273, 19434546]

約数ペア:

[(1, 19434546), (2, 9717273), (3, 6478182), (6, 3239091), (9, 2159394), (18, 1079697), (27, 719798), (37, 525258), (54, 359899), (71, 273726), (74, 262629), (111, 175086), (137, 141858), (142, 136863), (213, 91242), (222, 87543), (274, 70929), (333, 58362), (411, 47286), (426, 45621), (639, 30414), (666, 29181), (822, 23643), (999, 19454), (1233, 15762), (1278, 15207), (1917, 10138), (1998, 9727), (2466, 7881), (2627, 7398), (3699, 5254), (3834, 5069)]