19491696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 63564384

約数和(自身を除く): 44072688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 317, 336, 366, 427, 488, 504, 549, 634, 732, 854, 951, 976, 1008, 1098, 1268, 1281, 1464, 1708, 1902, 2196, 2219, 2536, 2562, 2853, 2928, 3416, 3804, 3843, 4392, 4438, 5072, 5124, 5706, 6657, 6832, 7608, 7686, 8784, 8876, 10248, 11412, 13314, 15216, 15372, 17752, 19337, 19971, 20496, 22824, 26628, 30744, 35504, 38674, 39942, 45648, 53256, 58011, 61488, 77348, 79884, 106512, 116022, 135359, 154696, 159768, 174033, 232044, 270718, 309392, 319536, 348066, 406077, 464088, 541436, 696132, 812154, 928176, 1082872, 1218231, 1392264, 1624308, 2165744, 2436462, 2784528, 3248616, 4872924, 6497232, 9745848, 19491696]

約数ペア:

[(1, 19491696), (2, 9745848), (3, 6497232), (4, 4872924), (6, 3248616), (7, 2784528), (8, 2436462), (9, 2165744), (12, 1624308), (14, 1392264), (16, 1218231), (18, 1082872), (21, 928176), (24, 812154), (28, 696132), (36, 541436), (42, 464088), (48, 406077), (56, 348066), (61, 319536), (63, 309392), (72, 270718), (84, 232044), (112, 174033), (122, 159768), (126, 154696), (144, 135359), (168, 116022), (183, 106512), (244, 79884), (252, 77348), (317, 61488), (336, 58011), (366, 53256), (427, 45648), (488, 39942), (504, 38674), (549, 35504), (634, 30744), (732, 26628), (854, 22824), (951, 20496), (976, 19971), (1008, 19337), (1098, 17752), (1268, 15372), (1281, 15216), (1464, 13314), (1708, 11412), (1902, 10248), (2196, 8876), (2219, 8784), (2536, 7686), (2562, 7608), (2853, 6832), (2928, 6657), (3416, 5706), (3804, 5124), (3843, 5072), (4392, 4438)]