18184900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 44059680

約数和(自身を除く): 25874780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 563, 646, 850, 950, 1126, 1292, 1615, 1700, 1900, 2252, 2815, 3230, 5630, 6460, 8075, 9571, 10697, 11260, 14075, 16150, 19142, 21394, 28150, 32300, 38284, 42788, 47855, 53485, 56300, 95710, 106970, 181849, 191420, 213940, 239275, 267425, 363698, 478550, 534850, 727396, 909245, 957100, 1069700, 1818490, 3636980, 4546225, 9092450, 18184900]

約数ペア:

[(1, 18184900), (2, 9092450), (4, 4546225), (5, 3636980), (10, 1818490), (17, 1069700), (19, 957100), (20, 909245), (25, 727396), (34, 534850), (38, 478550), (50, 363698), (68, 267425), (76, 239275), (85, 213940), (95, 191420), (100, 181849), (170, 106970), (190, 95710), (323, 56300), (340, 53485), (380, 47855), (425, 42788), (475, 38284), (563, 32300), (646, 28150), (850, 21394), (950, 19142), (1126, 16150), (1292, 14075), (1615, 11260), (1700, 10697), (1900, 9571), (2252, 8075), (2815, 6460), (3230, 5630)]