18894018798

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{3929}}^1$

素因数の和:4111

約数の個数: 128

約数和(自身を含む): 45650880000

約数和(自身を除く): 26756861202

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 109, 114, 129, 171, 218, 258, 327, 342, 387, 513, 654, 774, 817, 981, 1026, 1161, 1634, 1962, 2071, 2322, 2451, 2943, 3929, 4142, 4687, 4902, 5886, 6213, 7353, 7858, 9374, 11787, 12426, 14061, 14706, 18639, 22059, 23574, 28122, 35361, 37278, 42183, 44118, 55917, 70722, 74651, 84366, 89053, 106083, 111834, 126549, 149302, 168947, 178106, 212166, 223953, 253098, 267159, 337894, 428261, 447906, 506841, 534318, 671859, 801477, 856522, 1013682, 1284783, 1343718, 1520523, 1602954, 2015577, 2404431, 2569566, 3041046, 3209993, 3854349, 4031154, 4561569, 4808862, 6419986, 7708698, 8136959, 9123138, 9629979, 11563047, 16273918, 18415223, 19259958, 23126094, 24410877, 28889937, 36830446, 48821754, 55245669, 57779874, 73232631, 86669811, 110491338, 146465262, 165737007, 173339622, 219697893, 331474014, 349889237, 439395786, 497211021, 699778474, 994422042, 1049667711, 2099335422, 3149003133, 6298006266, 9447009399, 18894018798]

約数ペア:

[(1, 18894018798), (2, 9447009399), (3, 6298006266), (6, 3149003133), (9, 2099335422), (18, 1049667711), (19, 994422042), (27, 699778474), (38, 497211021), (43, 439395786), (54, 349889237), (57, 331474014), (86, 219697893), (109, 173339622), (114, 165737007), (129, 146465262), (171, 110491338), (218, 86669811), (258, 73232631), (327, 57779874), (342, 55245669), (387, 48821754), (513, 36830446), (654, 28889937), (774, 24410877), (817, 23126094), (981, 19259958), (1026, 18415223), (1161, 16273918), (1634, 11563047), (1962, 9629979), (2071, 9123138), (2322, 8136959), (2451, 7708698), (2943, 6419986), (3929, 4808862), (4142, 4561569), (4687, 4031154), (4902, 3854349), (5886, 3209993), (6213, 3041046), (7353, 2569566), (7858, 2404431), (9374, 2015577), (11787, 1602954), (12426, 1520523), (14061, 1343718), (14706, 1284783), (18639, 1013682), (22059, 856522), (23574, 801477), (28122, 671859), (35361, 534318), (37278, 506841), (42183, 447906), (44118, 428261), (55917, 337894), (70722, 267159), (74651, 253098), (84366, 223953), (89053, 212166), (106083, 178106), (111834, 168947), (126549, 149302)]