18209380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 47142648

約数和(自身を除く): 28933268

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1093, 1190, 1666, 2186, 2380, 3332, 4165, 4372, 5465, 7651, 8330, 10930, 15302, 16660, 18581, 21860, 30604, 37162, 38255, 53557, 74324, 76510, 92905, 107114, 130067, 153020, 185810, 214228, 260134, 267785, 371620, 520268, 535570, 650335, 910469, 1071140, 1300670, 1820938, 2601340, 3641876, 4552345, 9104690, 18209380]

約数ペア:

[(1, 18209380), (2, 9104690), (4, 4552345), (5, 3641876), (7, 2601340), (10, 1820938), (14, 1300670), (17, 1071140), (20, 910469), (28, 650335), (34, 535570), (35, 520268), (49, 371620), (68, 267785), (70, 260134), (85, 214228), (98, 185810), (119, 153020), (140, 130067), (170, 107114), (196, 92905), (238, 76510), (245, 74324), (340, 53557), (476, 38255), (490, 37162), (595, 30604), (833, 21860), (980, 18581), (1093, 16660), (1190, 15302), (1666, 10930), (2186, 8330), (2380, 7651), (3332, 5465), (4165, 4372)]