19603904

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 56

約数和(自身を含む): 41306496

約数和(自身を除く): 21702592

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 164, 241, 248, 328, 482, 496, 656, 964, 992, 1271, 1312, 1928, 1984, 2542, 2624, 3856, 5084, 7471, 7712, 9881, 10168, 14942, 15424, 19762, 20336, 29884, 39524, 40672, 59768, 79048, 81344, 119536, 158096, 239072, 306311, 316192, 478144, 612622, 632384, 1225244, 2450488, 4900976, 9801952, 19603904]

約数ペア:

[(1, 19603904), (2, 9801952), (4, 4900976), (8, 2450488), (16, 1225244), (31, 632384), (32, 612622), (41, 478144), (62, 316192), (64, 306311), (82, 239072), (124, 158096), (164, 119536), (241, 81344), (248, 79048), (328, 59768), (482, 40672), (496, 39524), (656, 29884), (964, 20336), (992, 19762), (1271, 15424), (1312, 14942), (1928, 10168), (1984, 9881), (2542, 7712), (2624, 7471), (3856, 5084)]