19656378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 30743622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 349, 378, 447, 698, 894, 1043, 1047, 1341, 2086, 2094, 2443, 2682, 3129, 3141, 4023, 4886, 6258, 6282, 7329, 8046, 9387, 9423, 14658, 18774, 18846, 21987, 28161, 43974, 52001, 56322, 65961, 104002, 131922, 156003, 312006, 364007, 468009, 728014, 936018, 1092021, 1404027, 2184042, 2808054, 3276063, 6552126, 9828189, 19656378]

約数ペア:

[(1, 19656378), (2, 9828189), (3, 6552126), (6, 3276063), (7, 2808054), (9, 2184042), (14, 1404027), (18, 1092021), (21, 936018), (27, 728014), (42, 468009), (54, 364007), (63, 312006), (126, 156003), (149, 131922), (189, 104002), (298, 65961), (349, 56322), (378, 52001), (447, 43974), (698, 28161), (894, 21987), (1043, 18846), (1047, 18774), (1341, 14658), (2086, 9423), (2094, 9387), (2443, 8046), (2682, 7329), (3129, 6282), (3141, 6258), (4023, 4886)]