18755730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4253}}^1$

素因数の和:4280

約数の個数: 72

約数和(自身を含む): 56739852

約数和(自身を除く): 37984122

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4253, 4410, 8506, 12759, 21265, 25518, 29771, 38277, 42530, 59542, 63795, 76554, 89313, 127590, 148855, 178626, 191385, 208397, 267939, 297710, 382770, 416794, 446565, 535878, 625191, 893130, 1041985, 1250382, 1339695, 1875573, 2083970, 2679390, 3125955, 3751146, 6251910, 9377865, 18755730]

約数ペア:

[(1, 18755730), (2, 9377865), (3, 6251910), (5, 3751146), (6, 3125955), (7, 2679390), (9, 2083970), (10, 1875573), (14, 1339695), (15, 1250382), (18, 1041985), (21, 893130), (30, 625191), (35, 535878), (42, 446565), (45, 416794), (49, 382770), (63, 297710), (70, 267939), (90, 208397), (98, 191385), (105, 178626), (126, 148855), (147, 127590), (210, 89313), (245, 76554), (294, 63795), (315, 59542), (441, 42530), (490, 38277), (630, 29771), (735, 25518), (882, 21265), (1470, 12759), (2205, 8506), (4253, 4410)]