18491816

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23844184

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 293, 322, 343, 392, 586, 644, 686, 1127, 1172, 1288, 1372, 2051, 2254, 2344, 2744, 4102, 4508, 6739, 7889, 8204, 9016, 13478, 14357, 15778, 16408, 26956, 28714, 31556, 47173, 53912, 57428, 63112, 94346, 100499, 114856, 188692, 200998, 330211, 377384, 401996, 660422, 803992, 1320844, 2311477, 2641688, 4622954, 9245908, 18491816]

約数ペア:

[(1, 18491816), (2, 9245908), (4, 4622954), (7, 2641688), (8, 2311477), (14, 1320844), (23, 803992), (28, 660422), (46, 401996), (49, 377384), (56, 330211), (92, 200998), (98, 188692), (161, 114856), (184, 100499), (196, 94346), (293, 63112), (322, 57428), (343, 53912), (392, 47173), (586, 31556), (644, 28714), (686, 26956), (1127, 16408), (1172, 15778), (1288, 14357), (1372, 13478), (2051, 9016), (2254, 8204), (2344, 7889), (2744, 6739), (4102, 4508)]