18509260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 52744608

約数和(自身を除く): 34235348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 101, 110, 119, 140, 154, 170, 187, 196, 202, 220, 238, 245, 308, 340, 374, 385, 404, 476, 490, 505, 539, 595, 707, 748, 770, 833, 935, 980, 1010, 1078, 1111, 1190, 1309, 1414, 1540, 1666, 1717, 1870, 2020, 2156, 2222, 2380, 2618, 2695, 2828, 3332, 3434, 3535, 3740, 4165, 4444, 4949, 5236, 5390, 5555, 6545, 6868, 7070, 7777, 8330, 8585, 9163, 9898, 10780, 11110, 12019, 13090, 14140, 15554, 16660, 17170, 18326, 18887, 19796, 22220, 24038, 24745, 26180, 31108, 34340, 36652, 37774, 38885, 45815, 48076, 49490, 54439, 60095, 75548, 77770, 84133, 91630, 94435, 98980, 108878, 120190, 132209, 155540, 168266, 183260, 188870, 217756, 240380, 264418, 272195, 336532, 377740, 420665, 528836, 544390, 661045, 841330, 925463, 1088780, 1322090, 1682660, 1850926, 2644180, 3701852, 4627315, 9254630, 18509260]

約数ペア:

[(1, 18509260), (2, 9254630), (4, 4627315), (5, 3701852), (7, 2644180), (10, 1850926), (11, 1682660), (14, 1322090), (17, 1088780), (20, 925463), (22, 841330), (28, 661045), (34, 544390), (35, 528836), (44, 420665), (49, 377740), (55, 336532), (68, 272195), (70, 264418), (77, 240380), (85, 217756), (98, 188870), (101, 183260), (110, 168266), (119, 155540), (140, 132209), (154, 120190), (170, 108878), (187, 98980), (196, 94435), (202, 91630), (220, 84133), (238, 77770), (245, 75548), (308, 60095), (340, 54439), (374, 49490), (385, 48076), (404, 45815), (476, 38885), (490, 37774), (505, 36652), (539, 34340), (595, 31108), (707, 26180), (748, 24745), (770, 24038), (833, 22220), (935, 19796), (980, 18887), (1010, 18326), (1078, 17170), (1111, 16660), (1190, 15554), (1309, 14140), (1414, 13090), (1540, 12019), (1666, 11110), (1717, 10780), (1870, 9898), (2020, 9163), (2156, 8585), (2222, 8330), (2380, 7777), (2618, 7070), (2695, 6868), (2828, 6545), (3332, 5555), (3434, 5390), (3535, 5236), (3740, 4949), (4165, 4444)]