19935520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 52690176

約数和(自身を除く): 32754656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 241, 352, 376, 440, 470, 482, 517, 752, 880, 940, 964, 1034, 1205, 1504, 1760, 1880, 1928, 2068, 2410, 2585, 2651, 3760, 3856, 4136, 4820, 5170, 5302, 7520, 7712, 8272, 9640, 10340, 10604, 11327, 13255, 16544, 19280, 20680, 21208, 22654, 26510, 38560, 41360, 42416, 45308, 53020, 56635, 82720, 84832, 90616, 106040, 113270, 124597, 181232, 212080, 226540, 249194, 362464, 424160, 453080, 498388, 622985, 906160, 996776, 1245970, 1812320, 1993552, 2491940, 3987104, 4983880, 9967760, 19935520]

約数ペア:

[(1, 19935520), (2, 9967760), (4, 4983880), (5, 3987104), (8, 2491940), (10, 1993552), (11, 1812320), (16, 1245970), (20, 996776), (22, 906160), (32, 622985), (40, 498388), (44, 453080), (47, 424160), (55, 362464), (80, 249194), (88, 226540), (94, 212080), (110, 181232), (160, 124597), (176, 113270), (188, 106040), (220, 90616), (235, 84832), (241, 82720), (352, 56635), (376, 53020), (440, 45308), (470, 42416), (482, 41360), (517, 38560), (752, 26510), (880, 22654), (940, 21208), (964, 20680), (1034, 19280), (1205, 16544), (1504, 13255), (1760, 11327), (1880, 10604), (1928, 10340), (2068, 9640), (2410, 8272), (2585, 7712), (2651, 7520), (3760, 5302), (3856, 5170), (4136, 4820)]