18996352

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 40759200

約数和(自身を除く): 21762848

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 73, 76, 107, 128, 146, 152, 214, 292, 304, 428, 584, 608, 856, 1168, 1216, 1387, 1712, 2033, 2336, 2432, 2774, 3424, 4066, 4672, 5548, 6848, 7811, 8132, 9344, 11096, 13696, 15622, 16264, 22192, 31244, 32528, 44384, 62488, 65056, 88768, 124976, 130112, 148409, 177536, 249952, 260224, 296818, 499904, 593636, 999808, 1187272, 2374544, 4749088, 9498176, 18996352]

約数ペア:

[(1, 18996352), (2, 9498176), (4, 4749088), (8, 2374544), (16, 1187272), (19, 999808), (32, 593636), (38, 499904), (64, 296818), (73, 260224), (76, 249952), (107, 177536), (128, 148409), (146, 130112), (152, 124976), (214, 88768), (292, 65056), (304, 62488), (428, 44384), (584, 32528), (608, 31244), (856, 22192), (1168, 16264), (1216, 15622), (1387, 13696), (1712, 11096), (2033, 9344), (2336, 8132), (2432, 7811), (2774, 6848), (3424, 5548), (4066, 4672)]