18880974

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{21407}}^1$

素因数の和:21429

約数の個数: 36

約数和(自身を含む): 47589984

約数和(自身を除く): 28709010

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 21407, 42814, 64221, 128442, 149849, 192663, 299698, 385326, 449547, 899094, 1048943, 1348641, 2097886, 2697282, 3146829, 6293658, 9440487, 18880974]

約数ペア:

[(1, 18880974), (2, 9440487), (3, 6293658), (6, 3146829), (7, 2697282), (9, 2097886), (14, 1348641), (18, 1048943), (21, 899094), (42, 449547), (49, 385326), (63, 299698), (98, 192663), (126, 149849), (147, 128442), (294, 64221), (441, 42814), (882, 21407)]