19205648

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 50380704

約数和(自身を除く): 31175056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 131, 136, 154, 176, 187, 196, 238, 262, 272, 308, 374, 392, 476, 524, 539, 616, 748, 784, 833, 917, 952, 1048, 1078, 1232, 1309, 1441, 1496, 1666, 1834, 1904, 2096, 2156, 2227, 2618, 2882, 2992, 3332, 3668, 4312, 4454, 5236, 5764, 6419, 6664, 7336, 8624, 8908, 9163, 10087, 10472, 11528, 12838, 13328, 14672, 15589, 17816, 18326, 20174, 20944, 23056, 24497, 25676, 31178, 35632, 36652, 40348, 48994, 51352, 62356, 70609, 73304, 80696, 97988, 102704, 109123, 124712, 141218, 146608, 161392, 171479, 195976, 218246, 249424, 282436, 342958, 391952, 436492, 564872, 685916, 872984, 1129744, 1200353, 1371832, 1745968, 2400706, 2743664, 4801412, 9602824, 19205648]

約数ペア:

[(1, 19205648), (2, 9602824), (4, 4801412), (7, 2743664), (8, 2400706), (11, 1745968), (14, 1371832), (16, 1200353), (17, 1129744), (22, 872984), (28, 685916), (34, 564872), (44, 436492), (49, 391952), (56, 342958), (68, 282436), (77, 249424), (88, 218246), (98, 195976), (112, 171479), (119, 161392), (131, 146608), (136, 141218), (154, 124712), (176, 109123), (187, 102704), (196, 97988), (238, 80696), (262, 73304), (272, 70609), (308, 62356), (374, 51352), (392, 48994), (476, 40348), (524, 36652), (539, 35632), (616, 31178), (748, 25676), (784, 24497), (833, 23056), (917, 20944), (952, 20174), (1048, 18326), (1078, 17816), (1232, 15589), (1309, 14672), (1441, 13328), (1496, 12838), (1666, 11528), (1834, 10472), (1904, 10087), (2096, 9163), (2156, 8908), (2227, 8624), (2618, 7336), (2882, 6664), (2992, 6419), (3332, 5764), (3668, 5236), (4312, 4454)]