19031418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1153}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 47526336

約数和(自身を除く): 28494918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1153, 1179, 1834, 2306, 2358, 2751, 3459, 5502, 6918, 8071, 8253, 10377, 16142, 16506, 20754, 24213, 48426, 72639, 145278, 151043, 302086, 453129, 906258, 1057301, 1359387, 2114602, 2718774, 3171903, 6343806, 9515709, 19031418]

約数ペア:

[(1, 19031418), (2, 9515709), (3, 6343806), (6, 3171903), (7, 2718774), (9, 2114602), (14, 1359387), (18, 1057301), (21, 906258), (42, 453129), (63, 302086), (126, 151043), (131, 145278), (262, 72639), (393, 48426), (786, 24213), (917, 20754), (1153, 16506), (1179, 16142), (1834, 10377), (2306, 8253), (2358, 8071), (2751, 6918), (3459, 5502)]