18593835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16242645

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 71, 79, 85, 195, 213, 221, 237, 255, 355, 395, 663, 923, 1027, 1065, 1105, 1185, 1207, 1343, 2769, 3081, 3315, 3621, 4029, 4615, 5135, 5609, 6035, 6715, 13845, 15405, 15691, 16827, 17459, 18105, 20145, 28045, 47073, 52377, 72917, 78455, 84135, 87295, 95353, 218751, 235365, 261885, 286059, 364585, 476765, 1093755, 1239589, 1430295, 3718767, 6197945, 18593835]

約数ペア:

[(1, 18593835), (3, 6197945), (5, 3718767), (13, 1430295), (15, 1239589), (17, 1093755), (39, 476765), (51, 364585), (65, 286059), (71, 261885), (79, 235365), (85, 218751), (195, 95353), (213, 87295), (221, 84135), (237, 78455), (255, 72917), (355, 52377), (395, 47073), (663, 28045), (923, 20145), (1027, 18105), (1065, 17459), (1105, 16827), (1185, 15691), (1207, 15405), (1343, 13845), (2769, 6715), (3081, 6035), (3315, 5609), (3621, 5135), (4029, 4615)]