19914060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5441}}^1$

素因数の和:5514

約数の個数: 48

約数和(自身を含む): 56683872

約数和(自身を除く): 36769812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5441, 10882, 16323, 21764, 27205, 32646, 54410, 65292, 81615, 108820, 163230, 326460, 331901, 663802, 995703, 1327604, 1659505, 1991406, 3319010, 3982812, 4978515, 6638020, 9957030, 19914060]

約数ペア:

[(1, 19914060), (2, 9957030), (3, 6638020), (4, 4978515), (5, 3982812), (6, 3319010), (10, 1991406), (12, 1659505), (15, 1327604), (20, 995703), (30, 663802), (60, 331901), (61, 326460), (122, 163230), (183, 108820), (244, 81615), (305, 65292), (366, 54410), (610, 32646), (732, 27205), (915, 21764), (1220, 16323), (1830, 10882), (3660, 5441)]