18703871998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{4373}}^1$

素因数の和:4801

約数の個数: 64

約数和(自身を含む): 34465720320

約数和(自身を除く): 15761848322

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 359, 518, 718, 851, 1702, 2513, 4373, 5026, 5957, 8257, 8746, 11914, 13283, 16514, 26566, 30611, 57799, 61222, 92981, 100579, 115598, 161801, 185962, 201158, 305509, 323602, 611018, 704053, 1132607, 1408106, 1569907, 2138563, 2265214, 3139814, 3721423, 4277126, 7442846, 10989349, 21978698, 26049961, 36107861, 52099922, 58086559, 72215722, 116173118, 252755027, 406605913, 505510054, 813211826, 1335990857, 2671981714, 9351935999, 18703871998]

約数ペア:

[(1, 18703871998), (2, 9351935999), (7, 2671981714), (14, 1335990857), (23, 813211826), (37, 505510054), (46, 406605913), (74, 252755027), (161, 116173118), (259, 72215722), (322, 58086559), (359, 52099922), (518, 36107861), (718, 26049961), (851, 21978698), (1702, 10989349), (2513, 7442846), (4373, 4277126), (5026, 3721423), (5957, 3139814), (8257, 2265214), (8746, 2138563), (11914, 1569907), (13283, 1408106), (16514, 1132607), (26566, 704053), (30611, 611018), (57799, 323602), (61222, 305509), (92981, 201158), (100579, 185962), (115598, 161801)]