15398816

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 33796224

約数和(自身を除く): 18397408

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 43, 62, 76, 86, 124, 152, 172, 248, 304, 344, 361, 496, 589, 608, 688, 722, 817, 992, 1178, 1333, 1376, 1444, 1634, 2356, 2666, 2888, 3268, 4712, 5332, 5776, 6536, 9424, 10664, 11191, 11552, 13072, 15523, 18848, 21328, 22382, 25327, 26144, 31046, 42656, 44764, 50654, 62092, 89528, 101308, 124184, 179056, 202616, 248368, 358112, 405232, 481213, 496736, 810464, 962426, 1924852, 3849704, 7699408, 15398816]

約数ペア:

[(1, 15398816), (2, 7699408), (4, 3849704), (8, 1924852), (16, 962426), (19, 810464), (31, 496736), (32, 481213), (38, 405232), (43, 358112), (62, 248368), (76, 202616), (86, 179056), (124, 124184), (152, 101308), (172, 89528), (248, 62092), (304, 50654), (344, 44764), (361, 42656), (496, 31046), (589, 26144), (608, 25327), (688, 22382), (722, 21328), (817, 18848), (992, 15523), (1178, 13072), (1333, 11552), (1376, 11191), (1444, 10664), (1634, 9424), (2356, 6536), (2666, 5776), (2888, 5332), (3268, 4712)]