18478064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 39664128

約数和(自身を除く): 21186064

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1567, 2948, 3134, 5896, 6268, 11792, 12536, 17237, 25072, 34474, 68948, 104989, 137896, 209978, 275792, 419956, 839912, 1154879, 1679824, 2309758, 4619516, 9239032, 18478064]

約数ペア:

[(1, 18478064), (2, 9239032), (4, 4619516), (8, 2309758), (11, 1679824), (16, 1154879), (22, 839912), (44, 419956), (67, 275792), (88, 209978), (134, 137896), (176, 104989), (268, 68948), (536, 34474), (737, 25072), (1072, 17237), (1474, 12536), (1567, 11792), (2948, 6268), (3134, 5896)]