16975970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 35392896

約数和(自身を除く): 18416926

約数列:

[1, 2, 5, 10, 11, 22, 37, 43, 55, 74, 86, 97, 110, 185, 194, 215, 370, 407, 430, 473, 485, 814, 946, 970, 1067, 1591, 2035, 2134, 2365, 3182, 3589, 4070, 4171, 4730, 5335, 7178, 7955, 8342, 10670, 15910, 17501, 17945, 20855, 35002, 35890, 39479, 41710, 45881, 78958, 87505, 91762, 154327, 175010, 197395, 229405, 308654, 394790, 458810, 771635, 1543270, 1697597, 3395194, 8487985, 16975970]

約数ペア:

[(1, 16975970), (2, 8487985), (5, 3395194), (10, 1697597), (11, 1543270), (22, 771635), (37, 458810), (43, 394790), (55, 308654), (74, 229405), (86, 197395), (97, 175010), (110, 154327), (185, 91762), (194, 87505), (215, 78958), (370, 45881), (407, 41710), (430, 39479), (473, 35890), (485, 35002), (814, 20855), (946, 17945), (970, 17501), (1067, 15910), (1591, 10670), (2035, 8342), (2134, 7955), (2365, 7178), (3182, 5335), (3589, 4730), (4070, 4171)]