18238220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:951

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 33242356

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 911, 1001, 1430, 1540, 1820, 1822, 2002, 2860, 3644, 4004, 4555, 5005, 6377, 9110, 10010, 10021, 11843, 12754, 18220, 20020, 20042, 23686, 25508, 31885, 40084, 47372, 50105, 59215, 63770, 70147, 82901, 100210, 118430, 127540, 130273, 140294, 165802, 200420, 236860, 260546, 280588, 331604, 350735, 414505, 521092, 651365, 701470, 829010, 911911, 1302730, 1402940, 1658020, 1823822, 2605460, 3647644, 4559555, 9119110, 18238220]

約数ペア:

[(1, 18238220), (2, 9119110), (4, 4559555), (5, 3647644), (7, 2605460), (10, 1823822), (11, 1658020), (13, 1402940), (14, 1302730), (20, 911911), (22, 829010), (26, 701470), (28, 651365), (35, 521092), (44, 414505), (52, 350735), (55, 331604), (65, 280588), (70, 260546), (77, 236860), (91, 200420), (110, 165802), (130, 140294), (140, 130273), (143, 127540), (154, 118430), (182, 100210), (220, 82901), (260, 70147), (286, 63770), (308, 59215), (364, 50105), (385, 47372), (455, 40084), (572, 31885), (715, 25508), (770, 23686), (910, 20042), (911, 20020), (1001, 18220), (1430, 12754), (1540, 11843), (1820, 10021), (1822, 10010), (2002, 9110), (2860, 6377), (3644, 5005), (4004, 4555)]