18885540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 36885084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 47, 60, 74, 94, 111, 141, 148, 181, 185, 188, 222, 235, 282, 362, 370, 444, 470, 543, 555, 564, 705, 724, 740, 905, 940, 1086, 1110, 1410, 1739, 1810, 2172, 2220, 2715, 2820, 3478, 3620, 5217, 5430, 6697, 6956, 8507, 8695, 10434, 10860, 13394, 17014, 17390, 20091, 20868, 25521, 26085, 26788, 33485, 34028, 34780, 40182, 42535, 51042, 52170, 66970, 80364, 85070, 100455, 102084, 104340, 127605, 133940, 170140, 200910, 255210, 314759, 401820, 510420, 629518, 944277, 1259036, 1573795, 1888554, 3147590, 3777108, 4721385, 6295180, 9442770, 18885540]

約数ペア:

[(1, 18885540), (2, 9442770), (3, 6295180), (4, 4721385), (5, 3777108), (6, 3147590), (10, 1888554), (12, 1573795), (15, 1259036), (20, 944277), (30, 629518), (37, 510420), (47, 401820), (60, 314759), (74, 255210), (94, 200910), (111, 170140), (141, 133940), (148, 127605), (181, 104340), (185, 102084), (188, 100455), (222, 85070), (235, 80364), (282, 66970), (362, 52170), (370, 51042), (444, 42535), (470, 40182), (543, 34780), (555, 34028), (564, 33485), (705, 26788), (724, 26085), (740, 25521), (905, 20868), (940, 20091), (1086, 17390), (1110, 17014), (1410, 13394), (1739, 10860), (1810, 10434), (2172, 8695), (2220, 8507), (2715, 6956), (2820, 6697), (3478, 5430), (3620, 5217)]