19484416

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 45327744

約数和(自身を除く): 25843328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 131, 166, 224, 256, 262, 332, 448, 524, 581, 664, 896, 917, 1048, 1162, 1328, 1792, 1834, 2096, 2324, 2656, 3668, 4192, 4648, 5312, 7336, 8384, 9296, 10624, 10873, 14672, 16768, 18592, 21248, 21746, 29344, 33536, 37184, 43492, 58688, 74368, 76111, 86984, 117376, 148736, 152222, 173968, 234752, 304444, 347936, 608888, 695872, 1217776, 1391744, 2435552, 2783488, 4871104, 9742208, 19484416]

約数ペア:

[(1, 19484416), (2, 9742208), (4, 4871104), (7, 2783488), (8, 2435552), (14, 1391744), (16, 1217776), (28, 695872), (32, 608888), (56, 347936), (64, 304444), (83, 234752), (112, 173968), (128, 152222), (131, 148736), (166, 117376), (224, 86984), (256, 76111), (262, 74368), (332, 58688), (448, 43492), (524, 37184), (581, 33536), (664, 29344), (896, 21746), (917, 21248), (1048, 18592), (1162, 16768), (1328, 14672), (1792, 10873), (1834, 10624), (2096, 9296), (2324, 8384), (2656, 7336), (3668, 5312), (4192, 4648)]