18986928

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 52377600

約数和(自身を除く): 33390672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 109, 114, 152, 191, 218, 228, 304, 327, 382, 436, 456, 573, 654, 764, 872, 912, 1146, 1308, 1528, 1744, 2071, 2292, 2616, 3056, 3629, 4142, 4584, 5232, 6213, 7258, 8284, 9168, 10887, 12426, 14516, 16568, 20819, 21774, 24852, 29032, 33136, 41638, 43548, 49704, 58064, 62457, 83276, 87096, 99408, 124914, 166552, 174192, 249828, 333104, 395561, 499656, 791122, 999312, 1186683, 1582244, 2373366, 3164488, 4746732, 6328976, 9493464, 18986928]

約数ペア:

[(1, 18986928), (2, 9493464), (3, 6328976), (4, 4746732), (6, 3164488), (8, 2373366), (12, 1582244), (16, 1186683), (19, 999312), (24, 791122), (38, 499656), (48, 395561), (57, 333104), (76, 249828), (109, 174192), (114, 166552), (152, 124914), (191, 99408), (218, 87096), (228, 83276), (304, 62457), (327, 58064), (382, 49704), (436, 43548), (456, 41638), (573, 33136), (654, 29032), (764, 24852), (872, 21774), (912, 20819), (1146, 16568), (1308, 14516), (1528, 12426), (1744, 10887), (2071, 9168), (2292, 8284), (2616, 7258), (3056, 6213), (3629, 5232), (4142, 4584)]