18783450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 59192640

約数和(自身を除く): 40409190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 67, 70, 75, 89, 90, 105, 126, 134, 150, 175, 178, 201, 210, 225, 267, 315, 335, 350, 402, 445, 450, 469, 525, 534, 603, 623, 630, 670, 801, 890, 938, 1005, 1050, 1206, 1246, 1335, 1407, 1575, 1602, 1675, 1869, 2010, 2225, 2345, 2670, 2814, 3015, 3115, 3150, 3350, 3738, 4005, 4221, 4450, 4690, 5025, 5607, 5963, 6030, 6230, 6675, 7035, 8010, 8442, 9345, 10050, 11214, 11725, 11926, 13350, 14070, 15075, 15575, 17889, 18690, 20025, 21105, 23450, 28035, 29815, 30150, 31150, 35175, 35778, 40050, 41741, 42210, 46725, 53667, 56070, 59630, 70350, 83482, 89445, 93450, 105525, 107334, 125223, 140175, 149075, 178890, 208705, 211050, 250446, 268335, 280350, 298150, 375669, 417410, 447225, 536670, 626115, 751338, 894450, 1043525, 1252230, 1341675, 1878345, 2087050, 2683350, 3130575, 3756690, 6261150, 9391725, 18783450]

約数ペア:

[(1, 18783450), (2, 9391725), (3, 6261150), (5, 3756690), (6, 3130575), (7, 2683350), (9, 2087050), (10, 1878345), (14, 1341675), (15, 1252230), (18, 1043525), (21, 894450), (25, 751338), (30, 626115), (35, 536670), (42, 447225), (45, 417410), (50, 375669), (63, 298150), (67, 280350), (70, 268335), (75, 250446), (89, 211050), (90, 208705), (105, 178890), (126, 149075), (134, 140175), (150, 125223), (175, 107334), (178, 105525), (201, 93450), (210, 89445), (225, 83482), (267, 70350), (315, 59630), (335, 56070), (350, 53667), (402, 46725), (445, 42210), (450, 41741), (469, 40050), (525, 35778), (534, 35175), (603, 31150), (623, 30150), (630, 29815), (670, 28035), (801, 23450), (890, 21105), (938, 20025), (1005, 18690), (1050, 17889), (1206, 15575), (1246, 15075), (1335, 14070), (1407, 13350), (1575, 11926), (1602, 11725), (1675, 11214), (1869, 10050), (2010, 9345), (2225, 8442), (2345, 8010), (2670, 7035), (2814, 6675), (3015, 6230), (3115, 6030), (3150, 5963), (3350, 5607), (3738, 5025), (4005, 4690), (4221, 4450)]