19903896208

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337217}}^1$

素因数の和:337280

約数の個数: 80

約数和(自身を含む): 48170916864

約数和(自身を除く): 28267020656

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 434, 476, 496, 527, 868, 952, 1054, 1736, 1904, 2108, 3472, 3689, 4216, 7378, 8432, 14756, 29512, 59024, 337217, 674434, 1348868, 2360519, 2697736, 4721038, 5395472, 5732689, 9442076, 10453727, 11465378, 18884152, 20907454, 22930756, 37768304, 40128823, 41814908, 45861512, 73176089, 80257646, 83629816, 91723024, 146352178, 160515292, 167259632, 177713359, 292704356, 321030584, 355426718, 585408712, 642061168, 710853436, 1170817424, 1243993513, 1421706872, 2487987026, 2843413744, 4975974052, 9951948104, 19903896208]

約数ペア:

[(1, 19903896208), (2, 9951948104), (4, 4975974052), (7, 2843413744), (8, 2487987026), (14, 1421706872), (16, 1243993513), (17, 1170817424), (28, 710853436), (31, 642061168), (34, 585408712), (56, 355426718), (62, 321030584), (68, 292704356), (112, 177713359), (119, 167259632), (124, 160515292), (136, 146352178), (217, 91723024), (238, 83629816), (248, 80257646), (272, 73176089), (434, 45861512), (476, 41814908), (496, 40128823), (527, 37768304), (868, 22930756), (952, 20907454), (1054, 18884152), (1736, 11465378), (1904, 10453727), (2108, 9442076), (3472, 5732689), (3689, 5395472), (4216, 4721038), (7378, 2697736), (8432, 2360519), (14756, 1348868), (29512, 674434), (59024, 337217)]