19006659

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 13940541

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 131, 141, 147, 329, 343, 393, 423, 441, 917, 987, 1029, 1179, 2303, 2751, 2961, 3087, 6157, 6419, 6909, 8253, 16121, 18471, 19257, 20727, 43099, 44933, 48363, 55413, 57771, 129297, 134799, 145089, 301693, 387891, 404397, 905079, 2111851, 2715237, 6335553, 19006659]

約数ペア:

[(1, 19006659), (3, 6335553), (7, 2715237), (9, 2111851), (21, 905079), (47, 404397), (49, 387891), (63, 301693), (131, 145089), (141, 134799), (147, 129297), (329, 57771), (343, 55413), (393, 48363), (423, 44933), (441, 43099), (917, 20727), (987, 19257), (1029, 18471), (1179, 16121), (2303, 8253), (2751, 6909), (2961, 6419), (3087, 6157)]