18690433580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{209581}}^1$

素因数の和:209624

約数の個数: 96

約数和(自身を含む): 49293686400

約数和(自身を除く): 30603252820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 910, 980, 1274, 1372, 1715, 1820, 2548, 3185, 3430, 4459, 6370, 6860, 8918, 12740, 17836, 22295, 44590, 89180, 209581, 419162, 838324, 1047905, 1467067, 2095810, 2724553, 2934134, 4191620, 5449106, 5868268, 7335335, 10269469, 10898212, 13622765, 14670670, 19071871, 20538938, 27245530, 29341340, 38143742, 41077876, 51347345, 54491060, 71886283, 76287484, 95359355, 102694690, 133503097, 143772566, 190718710, 205389380, 267006194, 287545132, 359431415, 381437420, 534012388, 667515485, 718862830, 934521679, 1335030970, 1437725660, 1869043358, 2670061940, 3738086716, 4672608395, 9345216790, 18690433580]

約数ペア:

[(1, 18690433580), (2, 9345216790), (4, 4672608395), (5, 3738086716), (7, 2670061940), (10, 1869043358), (13, 1437725660), (14, 1335030970), (20, 934521679), (26, 718862830), (28, 667515485), (35, 534012388), (49, 381437420), (52, 359431415), (65, 287545132), (70, 267006194), (91, 205389380), (98, 190718710), (130, 143772566), (140, 133503097), (182, 102694690), (196, 95359355), (245, 76287484), (260, 71886283), (343, 54491060), (364, 51347345), (455, 41077876), (490, 38143742), (637, 29341340), (686, 27245530), (910, 20538938), (980, 19071871), (1274, 14670670), (1372, 13622765), (1715, 10898212), (1820, 10269469), (2548, 7335335), (3185, 5868268), (3430, 5449106), (4459, 4191620), (6370, 2934134), (6860, 2724553), (8918, 2095810), (12740, 1467067), (17836, 1047905), (22295, 838324), (44590, 419162), (89180, 209581)]