18408208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26588912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 269, 329, 364, 376, 538, 611, 658, 728, 752, 1076, 1222, 1316, 1456, 1883, 2152, 2444, 2632, 3497, 3766, 4277, 4304, 4888, 5264, 6994, 7532, 8554, 9776, 12643, 13988, 15064, 17108, 24479, 25286, 27976, 30128, 34216, 48958, 50572, 55952, 68432, 88501, 97916, 101144, 164359, 177002, 195832, 202288, 328718, 354004, 391664, 657436, 708008, 1150513, 1314872, 1416016, 2301026, 2629744, 4602052, 9204104, 18408208]

約数ペア:

[(1, 18408208), (2, 9204104), (4, 4602052), (7, 2629744), (8, 2301026), (13, 1416016), (14, 1314872), (16, 1150513), (26, 708008), (28, 657436), (47, 391664), (52, 354004), (56, 328718), (91, 202288), (94, 195832), (104, 177002), (112, 164359), (182, 101144), (188, 97916), (208, 88501), (269, 68432), (329, 55952), (364, 50572), (376, 48958), (538, 34216), (611, 30128), (658, 27976), (728, 25286), (752, 24479), (1076, 17108), (1222, 15064), (1316, 13988), (1456, 12643), (1883, 9776), (2152, 8554), (2444, 7532), (2632, 6994), (3497, 5264), (3766, 4888), (4277, 4304)]