18189897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 28331520

約数和(自身を除く): 10141623

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 433, 627, 737, 1273, 1299, 2211, 3819, 4763, 8227, 14003, 14289, 24681, 29011, 42009, 87033, 90497, 271491, 319121, 551209, 957363, 1653627, 6063299, 18189897]

約数ペア:

[(1, 18189897), (3, 6063299), (11, 1653627), (19, 957363), (33, 551209), (57, 319121), (67, 271491), (201, 90497), (209, 87033), (433, 42009), (627, 29011), (737, 24681), (1273, 14289), (1299, 14003), (2211, 8227), (3819, 4763)]