19390203

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 14854917

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 167, 171, 291, 399, 501, 679, 873, 1169, 1197, 1503, 1843, 2037, 3173, 3507, 5529, 6111, 9519, 10521, 12901, 16199, 16587, 22211, 28557, 38703, 48597, 66633, 113393, 116109, 145791, 199899, 307781, 340179, 923343, 1020537, 2154467, 2770029, 6463401, 19390203]

約数ペア:

[(1, 19390203), (3, 6463401), (7, 2770029), (9, 2154467), (19, 1020537), (21, 923343), (57, 340179), (63, 307781), (97, 199899), (133, 145791), (167, 116109), (171, 113393), (291, 66633), (399, 48597), (501, 38703), (679, 28557), (873, 22211), (1169, 16587), (1197, 16199), (1503, 12901), (1843, 10521), (2037, 9519), (3173, 6111), (3507, 5529)]