18903150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:395

約数の個数: 144

約数和(自身を含む): 61629984

約数和(自身を除く): 42726834

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 42, 45, 50, 51, 63, 70, 75, 85, 90, 102, 105, 119, 126, 150, 153, 170, 175, 210, 225, 238, 255, 306, 315, 350, 353, 357, 425, 450, 510, 525, 595, 630, 706, 714, 765, 850, 1050, 1059, 1071, 1190, 1275, 1530, 1575, 1765, 1785, 2118, 2142, 2471, 2550, 2975, 3150, 3177, 3530, 3570, 3825, 4942, 5295, 5355, 5950, 6001, 6354, 7413, 7650, 8825, 8925, 10590, 10710, 12002, 12355, 14826, 15885, 17650, 17850, 18003, 22239, 24710, 26475, 26775, 30005, 31770, 36006, 37065, 42007, 44478, 52950, 53550, 54009, 60010, 61775, 74130, 79425, 84014, 90015, 108018, 111195, 123550, 126021, 150025, 158850, 180030, 185325, 210035, 222390, 252042, 270045, 300050, 370650, 378063, 420070, 450075, 540090, 555975, 630105, 756126, 900150, 1050175, 1111950, 1260210, 1350225, 1890315, 2100350, 2700450, 3150525, 3780630, 6301050, 9451575, 18903150]

約数ペア:

[(1, 18903150), (2, 9451575), (3, 6301050), (5, 3780630), (6, 3150525), (7, 2700450), (9, 2100350), (10, 1890315), (14, 1350225), (15, 1260210), (17, 1111950), (18, 1050175), (21, 900150), (25, 756126), (30, 630105), (34, 555975), (35, 540090), (42, 450075), (45, 420070), (50, 378063), (51, 370650), (63, 300050), (70, 270045), (75, 252042), (85, 222390), (90, 210035), (102, 185325), (105, 180030), (119, 158850), (126, 150025), (150, 126021), (153, 123550), (170, 111195), (175, 108018), (210, 90015), (225, 84014), (238, 79425), (255, 74130), (306, 61775), (315, 60010), (350, 54009), (353, 53550), (357, 52950), (425, 44478), (450, 42007), (510, 37065), (525, 36006), (595, 31770), (630, 30005), (706, 26775), (714, 26475), (765, 24710), (850, 22239), (1050, 18003), (1059, 17850), (1071, 17650), (1190, 15885), (1275, 14826), (1530, 12355), (1575, 12002), (1765, 10710), (1785, 10590), (2118, 8925), (2142, 8825), (2471, 7650), (2550, 7413), (2975, 6354), (3150, 6001), (3177, 5950), (3530, 5355), (3570, 5295), (3825, 4942)]