15991326

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1847}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 38342304

約数和(自身を除く): 22350978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 1847, 2886, 3694, 4329, 5541, 8658, 11082, 16623, 24011, 33246, 48022, 68339, 72033, 136678, 144066, 205017, 216099, 410034, 432198, 615051, 888407, 1230102, 1776814, 2665221, 5330442, 7995663, 15991326]

約数ペア:

[(1, 15991326), (2, 7995663), (3, 5330442), (6, 2665221), (9, 1776814), (13, 1230102), (18, 888407), (26, 615051), (37, 432198), (39, 410034), (74, 216099), (78, 205017), (111, 144066), (117, 136678), (222, 72033), (234, 68339), (333, 48022), (481, 33246), (666, 24011), (962, 16623), (1443, 11082), (1847, 8658), (2886, 5541), (3694, 4329)]