19387616

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 40851216

約数和(自身を除く): 21463600

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 227, 272, 314, 454, 544, 628, 908, 1256, 1816, 2512, 2669, 3632, 3859, 5024, 5338, 7264, 7718, 10676, 15436, 21352, 30872, 35639, 42704, 61744, 71278, 85408, 123488, 142556, 285112, 570224, 605863, 1140448, 1211726, 2423452, 4846904, 9693808, 19387616]

約数ペア:

[(1, 19387616), (2, 9693808), (4, 4846904), (8, 2423452), (16, 1211726), (17, 1140448), (32, 605863), (34, 570224), (68, 285112), (136, 142556), (157, 123488), (227, 85408), (272, 71278), (314, 61744), (454, 42704), (544, 35639), (628, 30872), (908, 21352), (1256, 15436), (1816, 10676), (2512, 7718), (2669, 7264), (3632, 5338), (3859, 5024)]