19838394

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 47073312

約数和(自身を除く): 27234918

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 71, 86, 114, 129, 142, 171, 213, 258, 342, 361, 387, 426, 639, 722, 774, 817, 1083, 1278, 1349, 1634, 2166, 2451, 2698, 3053, 3249, 4047, 4902, 6106, 6498, 7353, 8094, 9159, 12141, 14706, 15523, 18318, 24282, 25631, 27477, 31046, 46569, 51262, 54954, 58007, 76893, 93138, 116014, 139707, 153786, 174021, 230679, 279414, 348042, 461358, 522063, 1044126, 1102133, 2204266, 3306399, 6612798, 9919197, 19838394]

約数ペア:

[(1, 19838394), (2, 9919197), (3, 6612798), (6, 3306399), (9, 2204266), (18, 1102133), (19, 1044126), (38, 522063), (43, 461358), (57, 348042), (71, 279414), (86, 230679), (114, 174021), (129, 153786), (142, 139707), (171, 116014), (213, 93138), (258, 76893), (342, 58007), (361, 54954), (387, 51262), (426, 46569), (639, 31046), (722, 27477), (774, 25631), (817, 24282), (1083, 18318), (1278, 15523), (1349, 14706), (1634, 12141), (2166, 9159), (2451, 8094), (2698, 7353), (3053, 6498), (3249, 6106), (4047, 4902)]