18771616

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 19935584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 149, 248, 254, 298, 496, 508, 596, 992, 1016, 1192, 2032, 2384, 3937, 4064, 4619, 4768, 7874, 9238, 15748, 18476, 18923, 31496, 36952, 37846, 62992, 73904, 75692, 125984, 147808, 151384, 302768, 586613, 605536, 1173226, 2346452, 4692904, 9385808, 18771616]

約数ペア:

[(1, 18771616), (2, 9385808), (4, 4692904), (8, 2346452), (16, 1173226), (31, 605536), (32, 586613), (62, 302768), (124, 151384), (127, 147808), (149, 125984), (248, 75692), (254, 73904), (298, 62992), (496, 37846), (508, 36952), (596, 31496), (992, 18923), (1016, 18476), (1192, 15748), (2032, 9238), (2384, 7874), (3937, 4768), (4064, 4619)]