18561917247

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 27052032000

約数和(自身を除く): 8490114753

約数列:

[1, 3, 19, 57, 67, 73, 139, 201, 219, 417, 479, 1273, 1387, 1437, 2641, 3819, 4161, 4891, 7923, 9101, 9313, 10147, 14673, 27303, 27939, 30441, 32093, 34967, 66581, 92929, 96279, 104901, 176947, 192793, 199743, 278787, 530841, 578379, 609767, 664373, 679849, 1265039, 1829301, 1993119, 2039547, 2342789, 3795117, 4460927, 4860413, 7028367, 12917131, 13382781, 14581239, 38751393, 44512991, 84757613, 92347847, 133538973, 254272839, 277043541, 325647671, 976943013, 6187305749, 18561917247]

約数ペア:

[(1, 18561917247), (3, 6187305749), (19, 976943013), (57, 325647671), (67, 277043541), (73, 254272839), (139, 133538973), (201, 92347847), (219, 84757613), (417, 44512991), (479, 38751393), (1273, 14581239), (1387, 13382781), (1437, 12917131), (2641, 7028367), (3819, 4860413), (4161, 4460927), (4891, 3795117), (7923, 2342789), (9101, 2039547), (9313, 1993119), (10147, 1829301), (14673, 1265039), (27303, 679849), (27939, 664373), (30441, 609767), (32093, 578379), (34967, 530841), (66581, 278787), (92929, 199743), (96279, 192793), (104901, 176947)]