19191159

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 32104800

約数和(自身を除く): 12913641

約数列:

[1, 3, 9, 13, 19, 39, 57, 89, 97, 117, 171, 247, 267, 291, 741, 801, 873, 1157, 1261, 1691, 1843, 2223, 3471, 3783, 5073, 5529, 8633, 10413, 11349, 15219, 16587, 21983, 23959, 25899, 65949, 71877, 77697, 112229, 164027, 197847, 215631, 336687, 492081, 1010061, 1476243, 2132351, 6397053, 19191159]

約数ペア:

[(1, 19191159), (3, 6397053), (9, 2132351), (13, 1476243), (19, 1010061), (39, 492081), (57, 336687), (89, 215631), (97, 197847), (117, 164027), (171, 112229), (247, 77697), (267, 71877), (291, 65949), (741, 25899), (801, 23959), (873, 21983), (1157, 16587), (1261, 15219), (1691, 11349), (1843, 10413), (2223, 8633), (3471, 5529), (3783, 5073)]