19581282

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^2$

素因数の和:320

約数の個数: 54

約数和(自身を含む): 49686273

約数和(自身を除く): 30104991

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 294, 298, 441, 447, 882, 894, 1043, 1341, 2086, 2682, 3129, 6258, 7301, 9387, 14602, 18774, 21903, 22201, 43806, 44402, 65709, 66603, 131418, 133206, 155407, 199809, 310814, 399618, 466221, 932442, 1087849, 1398663, 2175698, 2797326, 3263547, 6527094, 9790641, 19581282]

約数ペア:

[(1, 19581282), (2, 9790641), (3, 6527094), (6, 3263547), (7, 2797326), (9, 2175698), (14, 1398663), (18, 1087849), (21, 932442), (42, 466221), (49, 399618), (63, 310814), (98, 199809), (126, 155407), (147, 133206), (149, 131418), (294, 66603), (298, 65709), (441, 44402), (447, 43806), (882, 22201), (894, 21903), (1043, 18774), (1341, 14602), (2086, 9387), (2682, 7301), (3129, 6258)]