19668780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{967}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 60252192

約数和(自身を除く): 40583412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 967, 1017, 1130, 1356, 1695, 1934, 2034, 2260, 2901, 3390, 3868, 4068, 4835, 5085, 5802, 6780, 8703, 9670, 10170, 11604, 14505, 17406, 19340, 20340, 29010, 34812, 43515, 58020, 87030, 109271, 174060, 218542, 327813, 437084, 546355, 655626, 983439, 1092710, 1311252, 1639065, 1966878, 2185420, 3278130, 3933756, 4917195, 6556260, 9834390, 19668780]

約数ペア:

[(1, 19668780), (2, 9834390), (3, 6556260), (4, 4917195), (5, 3933756), (6, 3278130), (9, 2185420), (10, 1966878), (12, 1639065), (15, 1311252), (18, 1092710), (20, 983439), (30, 655626), (36, 546355), (45, 437084), (60, 327813), (90, 218542), (113, 174060), (180, 109271), (226, 87030), (339, 58020), (452, 43515), (565, 34812), (678, 29010), (967, 20340), (1017, 19340), (1130, 17406), (1356, 14505), (1695, 11604), (1934, 10170), (2034, 9670), (2260, 8703), (2901, 6780), (3390, 5802), (3868, 5085), (4068, 4835)]