19474448

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 26236912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 79, 112, 124, 142, 158, 217, 248, 284, 316, 434, 496, 497, 553, 568, 632, 868, 994, 1106, 1136, 1264, 1736, 1988, 2201, 2212, 2449, 3472, 3976, 4402, 4424, 4898, 5609, 7952, 8804, 8848, 9796, 11218, 15407, 17143, 17608, 19592, 22436, 30814, 34286, 35216, 39184, 39263, 44872, 61628, 68572, 78526, 89744, 123256, 137144, 157052, 173879, 246512, 274288, 314104, 347758, 628208, 695516, 1217153, 1391032, 2434306, 2782064, 4868612, 9737224, 19474448]

約数ペア:

[(1, 19474448), (2, 9737224), (4, 4868612), (7, 2782064), (8, 2434306), (14, 1391032), (16, 1217153), (28, 695516), (31, 628208), (56, 347758), (62, 314104), (71, 274288), (79, 246512), (112, 173879), (124, 157052), (142, 137144), (158, 123256), (217, 89744), (248, 78526), (284, 68572), (316, 61628), (434, 44872), (496, 39263), (497, 39184), (553, 35216), (568, 34286), (632, 30814), (868, 22436), (994, 19592), (1106, 17608), (1136, 17143), (1264, 15407), (1736, 11218), (1988, 9796), (2201, 8848), (2212, 8804), (2449, 7952), (3472, 5609), (3976, 4898), (4402, 4424)]