19907808

素因数分解:

$2^5\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1583}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 52690176

約数和(自身を除く): 32782368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 131, 262, 393, 524, 786, 1048, 1572, 1583, 2096, 3144, 3166, 4192, 4749, 6288, 6332, 9498, 12576, 12664, 18996, 25328, 37992, 50656, 75984, 151968, 207373, 414746, 622119, 829492, 1244238, 1658984, 2488476, 3317968, 4976952, 6635936, 9953904, 19907808]

約数ペア:

[(1, 19907808), (2, 9953904), (3, 6635936), (4, 4976952), (6, 3317968), (8, 2488476), (12, 1658984), (16, 1244238), (24, 829492), (32, 622119), (48, 414746), (96, 207373), (131, 151968), (262, 75984), (393, 50656), (524, 37992), (786, 25328), (1048, 18996), (1572, 12664), (1583, 12576), (2096, 9498), (3144, 6332), (3166, 6288), (4192, 4749)]