18768408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 50168160

約数和(自身を除く): 31399752

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 157, 204, 293, 314, 408, 471, 586, 628, 879, 942, 1172, 1256, 1758, 1884, 2344, 2669, 3516, 3768, 4981, 5338, 7032, 8007, 9962, 10676, 14943, 16014, 19924, 21352, 29886, 32028, 39848, 46001, 59772, 64056, 92002, 119544, 138003, 184004, 276006, 368008, 552012, 782017, 1104024, 1564034, 2346051, 3128068, 4692102, 6256136, 9384204, 18768408]

約数ペア:

[(1, 18768408), (2, 9384204), (3, 6256136), (4, 4692102), (6, 3128068), (8, 2346051), (12, 1564034), (17, 1104024), (24, 782017), (34, 552012), (51, 368008), (68, 276006), (102, 184004), (136, 138003), (157, 119544), (204, 92002), (293, 64056), (314, 59772), (408, 46001), (471, 39848), (586, 32028), (628, 29886), (879, 21352), (942, 19924), (1172, 16014), (1256, 14943), (1758, 10676), (1884, 9962), (2344, 8007), (2669, 7032), (3516, 5338), (3768, 4981)]