18598605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 33619968

約数和(自身を除く): 15021363

約数列:

[1, 3, 5, 15, 23, 31, 37, 47, 69, 93, 111, 115, 141, 155, 185, 235, 345, 465, 555, 705, 713, 851, 1081, 1147, 1457, 1739, 2139, 2553, 3243, 3441, 3565, 4255, 4371, 5217, 5405, 5735, 7285, 8695, 10695, 12765, 16215, 17205, 21855, 26085, 26381, 33511, 39997, 53909, 79143, 100533, 119991, 131905, 161727, 167555, 199985, 269545, 395715, 502665, 599955, 808635, 1239907, 3719721, 6199535, 18598605]

約数ペア:

[(1, 18598605), (3, 6199535), (5, 3719721), (15, 1239907), (23, 808635), (31, 599955), (37, 502665), (47, 395715), (69, 269545), (93, 199985), (111, 167555), (115, 161727), (141, 131905), (155, 119991), (185, 100533), (235, 79143), (345, 53909), (465, 39997), (555, 33511), (705, 26381), (713, 26085), (851, 21855), (1081, 17205), (1147, 16215), (1457, 12765), (1739, 10695), (2139, 8695), (2553, 7285), (3243, 5735), (3441, 5405), (3565, 5217), (4255, 4371)]