19951104

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 35045376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 419, 496, 512, 744, 768, 838, 992, 1257, 1488, 1536, 1676, 1984, 2514, 2976, 3352, 3968, 5028, 5952, 6704, 7936, 10056, 11904, 12989, 13408, 15872, 20112, 23808, 25978, 26816, 38967, 40224, 47616, 51956, 53632, 77934, 80448, 103912, 107264, 155868, 160896, 207824, 214528, 311736, 321792, 415648, 623472, 643584, 831296, 1246944, 1662592, 2493888, 3325184, 4987776, 6650368, 9975552, 19951104]

約数ペア:

[(1, 19951104), (2, 9975552), (3, 6650368), (4, 4987776), (6, 3325184), (8, 2493888), (12, 1662592), (16, 1246944), (24, 831296), (31, 643584), (32, 623472), (48, 415648), (62, 321792), (64, 311736), (93, 214528), (96, 207824), (124, 160896), (128, 155868), (186, 107264), (192, 103912), (248, 80448), (256, 77934), (372, 53632), (384, 51956), (419, 47616), (496, 40224), (512, 38967), (744, 26816), (768, 25978), (838, 23808), (992, 20112), (1257, 15872), (1488, 13408), (1536, 12989), (1676, 11904), (1984, 10056), (2514, 7936), (2976, 6704), (3352, 5952), (3968, 5028)]