18412020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 64628928

約数和(自身を除く): 46216908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 547, 561, 612, 660, 748, 765, 935, 990, 1020, 1094, 1122, 1530, 1641, 1683, 1870, 1980, 2188, 2244, 2735, 2805, 3060, 3282, 3366, 3740, 4923, 5470, 5610, 6017, 6564, 6732, 8205, 8415, 9299, 9846, 10940, 11220, 12034, 16410, 16830, 18051, 18598, 19692, 24068, 24615, 27897, 30085, 32820, 33660, 36102, 37196, 46495, 49230, 54153, 55794, 60170, 72204, 83691, 90255, 92990, 98460, 102289, 108306, 111588, 120340, 139485, 167382, 180510, 185980, 204578, 216612, 270765, 278970, 306867, 334764, 361020, 409156, 418455, 511445, 541530, 557940, 613734, 836910, 920601, 1022890, 1083060, 1227468, 1534335, 1673820, 1841202, 2045780, 3068670, 3682404, 4603005, 6137340, 9206010, 18412020]

約数ペア:

[(1, 18412020), (2, 9206010), (3, 6137340), (4, 4603005), (5, 3682404), (6, 3068670), (9, 2045780), (10, 1841202), (11, 1673820), (12, 1534335), (15, 1227468), (17, 1083060), (18, 1022890), (20, 920601), (22, 836910), (30, 613734), (33, 557940), (34, 541530), (36, 511445), (44, 418455), (45, 409156), (51, 361020), (55, 334764), (60, 306867), (66, 278970), (68, 270765), (85, 216612), (90, 204578), (99, 185980), (102, 180510), (110, 167382), (132, 139485), (153, 120340), (165, 111588), (170, 108306), (180, 102289), (187, 98460), (198, 92990), (204, 90255), (220, 83691), (255, 72204), (306, 60170), (330, 55794), (340, 54153), (374, 49230), (396, 46495), (495, 37196), (510, 36102), (547, 33660), (561, 32820), (612, 30085), (660, 27897), (748, 24615), (765, 24068), (935, 19692), (990, 18598), (1020, 18051), (1094, 16830), (1122, 16410), (1530, 12034), (1641, 11220), (1683, 10940), (1870, 9846), (1980, 9299), (2188, 8415), (2244, 8205), (2735, 6732), (2805, 6564), (3060, 6017), (3282, 5610), (3366, 5470), (3740, 4923)]