18268047

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 14596785

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 461, 629, 777, 1071, 1383, 1887, 2331, 3227, 4149, 4403, 5661, 7837, 9681, 13209, 17057, 23511, 29043, 39627, 51171, 54859, 70533, 119399, 153513, 164577, 289969, 358197, 493731, 869907, 1074591, 2029783, 2609721, 6089349, 18268047]

約数ペア:

[(1, 18268047), (3, 6089349), (7, 2609721), (9, 2029783), (17, 1074591), (21, 869907), (37, 493731), (51, 358197), (63, 289969), (111, 164577), (119, 153513), (153, 119399), (259, 70533), (333, 54859), (357, 51171), (461, 39627), (629, 29043), (777, 23511), (1071, 17057), (1383, 13209), (1887, 9681), (2331, 7837), (3227, 5661), (4149, 4403)]