19397216128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{16651}}^1$

素因数の和:17163

約数の個数: 64

約数和(自身を含む): 40764096000

約数和(自身を除く): 21366879872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 479, 608, 958, 1216, 1916, 2432, 3832, 7664, 9101, 15328, 16651, 18202, 30656, 33302, 36404, 61312, 66604, 72808, 133208, 145616, 266416, 291232, 316369, 532832, 582464, 632738, 1065664, 1164928, 1265476, 2131328, 2530952, 5061904, 7975829, 10123808, 15951658, 20247616, 31903316, 40495232, 63806632, 127613264, 151540751, 255226528, 303081502, 510453056, 606163004, 1020906112, 1212326008, 2424652016, 4849304032, 9698608064, 19397216128]

約数ペア:

[(1, 19397216128), (2, 9698608064), (4, 4849304032), (8, 2424652016), (16, 1212326008), (19, 1020906112), (32, 606163004), (38, 510453056), (64, 303081502), (76, 255226528), (128, 151540751), (152, 127613264), (304, 63806632), (479, 40495232), (608, 31903316), (958, 20247616), (1216, 15951658), (1916, 10123808), (2432, 7975829), (3832, 5061904), (7664, 2530952), (9101, 2131328), (15328, 1265476), (16651, 1164928), (18202, 1065664), (30656, 632738), (33302, 582464), (36404, 532832), (61312, 316369), (66604, 291232), (72808, 266416), (133208, 145616)]